Home / 1,156.50-1,733.54-539.69

Finding the Fourth Proportional to 1,156.50, 1,733.54 and 539.69

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Solution

The fourth proportional to 1,156.50, 1,733.54 and 539.69 is: 808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.50 : 1,733.54 = 539.69 : x
  2. Step 2: Convert to fraction form
    1,156.50/1,733.54 = 539.69/x
  3. Step 3: Cross multiply
    1,156.50x = 1,733.54 × 539.69
  4. Step 4: Simplify right side
    1,156.50x = 935,574.20
  5. Step 5: Solve for x
    x = 935,574.20/1,156.50
  6. Step 6: Final answer
    x = 808.97

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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.