Home / 1,859.20-2,566.26-1,073.78

Finding the Fourth Proportional to 1,859.20, 2,566.26 and 1,073.78

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Solution

The fourth proportional to 1,859.20, 2,566.26 and 1,073.78 is: 1,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.20 : 2,566.26 = 1,073.78 : x
  2. Step 2: Convert to fraction form
    1,859.20/2,566.26 = 1,073.78/x
  3. Step 3: Cross multiply
    1,859.20x = 2,566.26 × 1,073.78
  4. Step 4: Simplify right side
    1,859.20x = 2,755,598.66
  5. Step 5: Solve for x
    x = 2,755,598.66/1,859.20
  6. Step 6: Final answer
    x = 1,482.14

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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.