Home / 1,126.14-1,685.72-1,030.46

Finding the Fourth Proportional to 1,126.14, 1,685.72 and 1,030.46

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Solution

The fourth proportional to 1,126.14, 1,685.72 and 1,030.46 is: 1,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.14 : 1,685.72 = 1,030.46 : x
  2. Step 2: Convert to fraction form
    1,126.14/1,685.72 = 1,030.46/x
  3. Step 3: Cross multiply
    1,126.14x = 1,685.72 × 1,030.46
  4. Step 4: Simplify right side
    1,126.14x = 1,737,053.45
  5. Step 5: Solve for x
    x = 1,737,053.45/1,126.14
  6. Step 6: Final answer
    x = 1,542.48

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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.