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Finding the Fourth Proportional to 3,037.40, 4,553.40 and 1,089.08

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Solution

The fourth proportional to 3,037.40, 4,553.40 and 1,089.08 is: 1,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.40 : 4,553.40 = 1,089.08 : x
  2. Step 2: Convert to fraction form
    3,037.40/4,553.40 = 1,089.08/x
  3. Step 3: Cross multiply
    3,037.40x = 4,553.40 × 1,089.08
  4. Step 4: Simplify right side
    3,037.40x = 4,959,016.87
  5. Step 5: Solve for x
    x = 4,959,016.87/3,037.40
  6. Step 6: Final answer
    x = 1,632.65

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1.5x scale

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.