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Finding the Fourth Proportional to 3,045.80, 4,568.70 and 737.30

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Solution

The fourth proportional to 3,045.80, 4,568.70 and 737.30 is: 1,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.80 : 4,568.70 = 737.30 : x
  2. Step 2: Convert to fraction form
    3,045.80/4,568.70 = 737.30/x
  3. Step 3: Cross multiply
    3,045.80x = 4,568.70 × 737.30
  4. Step 4: Simplify right side
    3,045.80x = 3,368,495.42
  5. Step 5: Solve for x
    x = 3,368,495.42/3,045.80
  6. Step 6: Final answer
    x = 1,105.95

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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.