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Finding the Fourth Proportional to 1,110.05, 1,532.51 and 737.54

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Solution

The fourth proportional to 1,110.05, 1,532.51 and 737.54 is: 1,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.05 : 1,532.51 = 737.54 : x
  2. Step 2: Convert to fraction form
    1,110.05/1,532.51 = 737.54/x
  3. Step 3: Cross multiply
    1,110.05x = 1,532.51 × 737.54
  4. Step 4: Simplify right side
    1,110.05x = 1,130,276.08
  5. Step 5: Solve for x
    x = 1,130,276.08/1,110.05
  6. Step 6: Final answer
    x = 1,018.23

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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.