Home / 2,985.57-4,478.36-1,341.23

Finding the Fourth Proportional to 2,985.57, 4,478.36 and 1,341.23

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Solution

The fourth proportional to 2,985.57, 4,478.36 and 1,341.23 is: 2,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.57 : 4,478.36 = 1,341.23 : x
  2. Step 2: Convert to fraction form
    2,985.57/4,478.36 = 1,341.23/x
  3. Step 3: Cross multiply
    2,985.57x = 4,478.36 × 1,341.23
  4. Step 4: Simplify right side
    2,985.57x = 6,006,481.68
  5. Step 5: Solve for x
    x = 6,006,481.68/2,985.57
  6. Step 6: Final answer
    x = 2,011.84

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.