Home / 2,572.91-3,550.61-1,393.99

Finding the Fourth Proportional to 2,572.91, 3,550.61 and 1,393.99

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Solution

The fourth proportional to 2,572.91, 3,550.61 and 1,393.99 is: 1,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.91 : 3,550.61 = 1,393.99 : x
  2. Step 2: Convert to fraction form
    2,572.91/3,550.61 = 1,393.99/x
  3. Step 3: Cross multiply
    2,572.91x = 3,550.61 × 1,393.99
  4. Step 4: Simplify right side
    2,572.91x = 4,949,490.11
  5. Step 5: Solve for x
    x = 4,949,490.11/2,572.91
  6. Step 6: Final answer
    x = 1,923.69

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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.