Home / 2,023.68-2,792.49-1,139.46

Finding the Fourth Proportional to 2,023.68, 2,792.49 and 1,139.46

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Solution

The fourth proportional to 2,023.68, 2,792.49 and 1,139.46 is: 1,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.68 : 2,792.49 = 1,139.46 : x
  2. Step 2: Convert to fraction form
    2,023.68/2,792.49 = 1,139.46/x
  3. Step 3: Cross multiply
    2,023.68x = 2,792.49 × 1,139.46
  4. Step 4: Simplify right side
    2,023.68x = 3,181,930.66
  5. Step 5: Solve for x
    x = 3,181,930.66/2,023.68
  6. Step 6: Final answer
    x = 1,572.35

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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.