Home / 1,711.44-2,362.19-1,431.20

Finding the Fourth Proportional to 1,711.44, 2,362.19 and 1,431.20

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Solution

The fourth proportional to 1,711.44, 2,362.19 and 1,431.20 is: 1,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.44 : 2,362.19 = 1,431.20 : x
  2. Step 2: Convert to fraction form
    1,711.44/2,362.19 = 1,431.20/x
  3. Step 3: Cross multiply
    1,711.44x = 2,362.19 × 1,431.20
  4. Step 4: Simplify right side
    1,711.44x = 3,380,747.36
  5. Step 5: Solve for x
    x = 3,380,747.36/1,711.44
  6. Step 6: Final answer
    x = 1,975.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,712.44, 2,363.57 and 1,432.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.