Home / 1,950.47-2,691.66-1,066.30

Finding the Fourth Proportional to 1,950.47, 2,691.66 and 1,066.30

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Solution

The fourth proportional to 1,950.47, 2,691.66 and 1,066.30 is: 1,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.47 : 2,691.66 = 1,066.30 : x
  2. Step 2: Convert to fraction form
    1,950.47/2,691.66 = 1,066.30/x
  3. Step 3: Cross multiply
    1,950.47x = 2,691.66 × 1,066.30
  4. Step 4: Simplify right side
    1,950.47x = 2,870,124.42
  5. Step 5: Solve for x
    x = 2,870,124.42/1,950.47
  6. Step 6: Final answer
    x = 1,471.50

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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.