Home / 1,079.13-1,619.98-1,035.12

Finding the Fourth Proportional to 1,079.13, 1,619.98 and 1,035.12

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Solution

The fourth proportional to 1,079.13, 1,619.98 and 1,035.12 is: 1,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.13 : 1,619.98 = 1,035.12 : x
  2. Step 2: Convert to fraction form
    1,079.13/1,619.98 = 1,035.12/x
  3. Step 3: Cross multiply
    1,079.13x = 1,619.98 × 1,035.12
  4. Step 4: Simplify right side
    1,079.13x = 1,676,871.11
  5. Step 5: Solve for x
    x = 1,676,871.11/1,079.13
  6. Step 6: Final answer
    x = 1,553.91

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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.