Home / 2,023.38-2,792.34-1,139.13

Finding the Fourth Proportional to 2,023.38, 2,792.34 and 1,139.13

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Solution

The fourth proportional to 2,023.38, 2,792.34 and 1,139.13 is: 1,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.38 : 2,792.34 = 1,139.13 : x
  2. Step 2: Convert to fraction form
    2,023.38/2,792.34 = 1,139.13/x
  3. Step 3: Cross multiply
    2,023.38x = 2,792.34 × 1,139.13
  4. Step 4: Simplify right side
    2,023.38x = 3,180,838.26
  5. Step 5: Solve for x
    x = 3,180,838.26/2,023.38
  6. Step 6: Final answer
    x = 1,572.04

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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.