Home / 3,248.10-4,872.88-1,515.78

Finding the Fourth Proportional to 3,248.10, 4,872.88 and 1,515.78

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Solution

The fourth proportional to 3,248.10, 4,872.88 and 1,515.78 is: 2,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.10 : 4,872.88 = 1,515.78 : x
  2. Step 2: Convert to fraction form
    3,248.10/4,872.88 = 1,515.78/x
  3. Step 3: Cross multiply
    3,248.10x = 4,872.88 × 1,515.78
  4. Step 4: Simplify right side
    3,248.10x = 7,386,206.47
  5. Step 5: Solve for x
    x = 7,386,206.47/3,248.10
  6. Step 6: Final answer
    x = 2,274.01

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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.