Home / 1,534.56-2,116.74-1,338.54

Finding the Fourth Proportional to 1,534.56, 2,116.74 and 1,338.54

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Solution

The fourth proportional to 1,534.56, 2,116.74 and 1,338.54 is: 1,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.56 : 2,116.74 = 1,338.54 : x
  2. Step 2: Convert to fraction form
    1,534.56/2,116.74 = 1,338.54/x
  3. Step 3: Cross multiply
    1,534.56x = 2,116.74 × 1,338.54
  4. Step 4: Simplify right side
    1,534.56x = 2,833,341.16
  5. Step 5: Solve for x
    x = 2,833,341.16/1,534.56
  6. Step 6: Final answer
    x = 1,846.35

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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.