Home / 2,023.91-2,792.92-1,139.70

Finding the Fourth Proportional to 2,023.91, 2,792.92 and 1,139.70

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Solution

The fourth proportional to 2,023.91, 2,792.92 and 1,139.70 is: 1,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.91 : 2,792.92 = 1,139.70 : x
  2. Step 2: Convert to fraction form
    2,023.91/2,792.92 = 1,139.70/x
  3. Step 3: Cross multiply
    2,023.91x = 2,792.92 × 1,139.70
  4. Step 4: Simplify right side
    2,023.91x = 3,183,085.23
  5. Step 5: Solve for x
    x = 3,183,085.23/2,023.91
  6. Step 6: Final answer
    x = 1,572.74

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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.