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Finding the Fourth Proportional to 1,160.34, 1,737.41 and 1,012.70

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Solution

The fourth proportional to 1,160.34, 1,737.41 and 1,012.70 is: 1,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.34 : 1,737.41 = 1,012.70 : x
  2. Step 2: Convert to fraction form
    1,160.34/1,737.41 = 1,012.70/x
  3. Step 3: Cross multiply
    1,160.34x = 1,737.41 × 1,012.70
  4. Step 4: Simplify right side
    1,160.34x = 1,759,461.36
  5. Step 5: Solve for x
    x = 1,759,461.36/1,160.34
  6. Step 6: Final answer
    x = 1,516.33

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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.