Home / 3,487.65-4,815.21-2,425.06

Finding the Fourth Proportional to 3,487.65, 4,815.21 and 2,425.06

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Solution

The fourth proportional to 3,487.65, 4,815.21 and 2,425.06 is: 3,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.65 : 4,815.21 = 2,425.06 : x
  2. Step 2: Convert to fraction form
    3,487.65/4,815.21 = 2,425.06/x
  3. Step 3: Cross multiply
    3,487.65x = 4,815.21 × 2,425.06
  4. Step 4: Simplify right side
    3,487.65x = 11,677,173.16
  5. Step 5: Solve for x
    x = 11,677,173.16/3,487.65
  6. Step 6: Final answer
    x = 3,348.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.