Home / 3,507.57-5,248.36-2,812.13

Finding the Fourth Proportional to 3,507.57, 5,248.36 and 2,812.13

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Solution

The fourth proportional to 3,507.57, 5,248.36 and 2,812.13 is: 4,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.57 : 5,248.36 = 2,812.13 : x
  2. Step 2: Convert to fraction form
    3,507.57/5,248.36 = 2,812.13/x
  3. Step 3: Cross multiply
    3,507.57x = 5,248.36 × 2,812.13
  4. Step 4: Simplify right side
    3,507.57x = 14,759,076.70
  5. Step 5: Solve for x
    x = 14,759,076.70/3,507.57
  6. Step 6: Final answer
    x = 4,207.78

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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.