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Finding the Fourth Proportional to 1,095.76, 1,512.19 and 737.34

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Solution

The fourth proportional to 1,095.76, 1,512.19 and 737.34 is: 1,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.76 : 1,512.19 = 737.34 : x
  2. Step 2: Convert to fraction form
    1,095.76/1,512.19 = 737.34/x
  3. Step 3: Cross multiply
    1,095.76x = 1,512.19 × 737.34
  4. Step 4: Simplify right side
    1,095.76x = 1,114,998.17
  5. Step 5: Solve for x
    x = 1,114,998.17/1,095.76
  6. Step 6: Final answer
    x = 1,017.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.