Home / 1,859.16-2,565.63-1,073.21

Finding the Fourth Proportional to 1,859.16, 2,565.63 and 1,073.21

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Solution

The fourth proportional to 1,859.16, 2,565.63 and 1,073.21 is: 1,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.16 : 2,565.63 = 1,073.21 : x
  2. Step 2: Convert to fraction form
    1,859.16/2,565.63 = 1,073.21/x
  3. Step 3: Cross multiply
    1,859.16x = 2,565.63 × 1,073.21
  4. Step 4: Simplify right side
    1,859.16x = 2,753,446.94
  5. Step 5: Solve for x
    x = 2,753,446.94/1,859.16
  6. Step 6: Final answer
    x = 1,481.02

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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.