Home / 1,340.03-1,849.23-750.53

Finding the Fourth Proportional to 1,340.03, 1,849.23 and 750.53

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Solution

The fourth proportional to 1,340.03, 1,849.23 and 750.53 is: 1,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.03 : 1,849.23 = 750.53 : x
  2. Step 2: Convert to fraction form
    1,340.03/1,849.23 = 750.53/x
  3. Step 3: Cross multiply
    1,340.03x = 1,849.23 × 750.53
  4. Step 4: Simplify right side
    1,340.03x = 1,387,893.35
  5. Step 5: Solve for x
    x = 1,387,893.35/1,340.03
  6. Step 6: Final answer
    x = 1,035.72

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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.