Home / 1,116.03-1,674.18-538.50

Finding the Fourth Proportional to 1,116.03, 1,674.18 and 538.50

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Solution

The fourth proportional to 1,116.03, 1,674.18 and 538.50 is: 807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.03 : 1,674.18 = 538.50 : x
  2. Step 2: Convert to fraction form
    1,116.03/1,674.18 = 538.50/x
  3. Step 3: Cross multiply
    1,116.03x = 1,674.18 × 538.50
  4. Step 4: Simplify right side
    1,116.03x = 901,545.93
  5. Step 5: Solve for x
    x = 901,545.93/1,116.03
  6. Step 6: Final answer
    x = 807.82

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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.