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Finding the Fourth Proportional to 3,007.53, 4,510.49 and 1,275.75

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Solution

The fourth proportional to 3,007.53, 4,510.49 and 1,275.75 is: 1,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.53 : 4,510.49 = 1,275.75 : x
  2. Step 2: Convert to fraction form
    3,007.53/4,510.49 = 1,275.75/x
  3. Step 3: Cross multiply
    3,007.53x = 4,510.49 × 1,275.75
  4. Step 4: Simplify right side
    3,007.53x = 5,754,251.24
  5. Step 5: Solve for x
    x = 5,754,251.24/3,007.53
  6. Step 6: Final answer
    x = 1,913.28

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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.