Home / 1,555.19-2,332.79-1,066.76

Finding the Fourth Proportional to 1,555.19, 2,332.79 and 1,066.76

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Solution

The fourth proportional to 1,555.19, 2,332.79 and 1,066.76 is: 1,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.19 : 2,332.79 = 1,066.76 : x
  2. Step 2: Convert to fraction form
    1,555.19/2,332.79 = 1,066.76/x
  3. Step 3: Cross multiply
    1,555.19x = 2,332.79 × 1,066.76
  4. Step 4: Simplify right side
    1,555.19x = 2,488,521.73
  5. Step 5: Solve for x
    x = 2,488,521.73/1,555.19
  6. Step 6: Final answer
    x = 1,600.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.