Home / 3,247.65-4,482.17-2,129.53

Finding the Fourth Proportional to 3,247.65, 4,482.17 and 2,129.53

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Solution

The fourth proportional to 3,247.65, 4,482.17 and 2,129.53 is: 2,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.65 : 4,482.17 = 2,129.53 : x
  2. Step 2: Convert to fraction form
    3,247.65/4,482.17 = 2,129.53/x
  3. Step 3: Cross multiply
    3,247.65x = 4,482.17 × 2,129.53
  4. Step 4: Simplify right side
    3,247.65x = 9,544,915.48
  5. Step 5: Solve for x
    x = 9,544,915.48/3,247.65
  6. Step 6: Final answer
    x = 2,939.02

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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.