Home / 2,023.92-2,792.48-1,139.60

Finding the Fourth Proportional to 2,023.92, 2,792.48 and 1,139.60

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Solution

The fourth proportional to 2,023.92, 2,792.48 and 1,139.60 is: 1,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.92 : 2,792.48 = 1,139.60 : x
  2. Step 2: Convert to fraction form
    2,023.92/2,792.48 = 1,139.60/x
  3. Step 3: Cross multiply
    2,023.92x = 2,792.48 × 1,139.60
  4. Step 4: Simplify right side
    2,023.92x = 3,182,311.49
  5. Step 5: Solve for x
    x = 3,182,311.49/2,023.92
  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.