Home / 1,456.35-2,184.75-531.72

Finding the Fourth Proportional to 1,456.35, 2,184.75 and 531.72

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Solution

The fourth proportional to 1,456.35, 2,184.75 and 531.72 is: 797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.35 : 2,184.75 = 531.72 : x
  2. Step 2: Convert to fraction form
    1,456.35/2,184.75 = 531.72/x
  3. Step 3: Cross multiply
    1,456.35x = 2,184.75 × 531.72
  4. Step 4: Simplify right side
    1,456.35x = 1,161,675.27
  5. Step 5: Solve for x
    x = 1,161,675.27/1,456.35
  6. Step 6: Final answer
    x = 797.66

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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.