Home / 1,340.04-1,849.17-750.57

Finding the Fourth Proportional to 1,340.04, 1,849.17 and 750.57

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Solution

The fourth proportional to 1,340.04, 1,849.17 and 750.57 is: 1,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.04 : 1,849.17 = 750.57 : x
  2. Step 2: Convert to fraction form
    1,340.04/1,849.17 = 750.57/x
  3. Step 3: Cross multiply
    1,340.04x = 1,849.17 × 750.57
  4. Step 4: Simplify right side
    1,340.04x = 1,387,931.53
  5. Step 5: Solve for x
    x = 1,387,931.53/1,340.04
  6. Step 6: Final answer
    x = 1,035.74

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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.