Home / 2,471.38-3,409.56-1,587.04

Finding the Fourth Proportional to 2,471.38, 3,409.56 and 1,587.04

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Solution

The fourth proportional to 2,471.38, 3,409.56 and 1,587.04 is: 2,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.38 : 3,409.56 = 1,587.04 : x
  2. Step 2: Convert to fraction form
    2,471.38/3,409.56 = 1,587.04/x
  3. Step 3: Cross multiply
    2,471.38x = 3,409.56 × 1,587.04
  4. Step 4: Simplify right side
    2,471.38x = 5,411,108.10
  5. Step 5: Solve for x
    x = 5,411,108.10/2,471.38
  6. Step 6: Final answer
    x = 2,189.51

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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.