Home / 3,242.46-4,473.14-1,915.58

Finding the Fourth Proportional to 3,242.46, 4,473.14 and 1,915.58

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Solution

The fourth proportional to 3,242.46, 4,473.14 and 1,915.58 is: 2,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.46 : 4,473.14 = 1,915.58 : x
  2. Step 2: Convert to fraction form
    3,242.46/4,473.14 = 1,915.58/x
  3. Step 3: Cross multiply
    3,242.46x = 4,473.14 × 1,915.58
  4. Step 4: Simplify right side
    3,242.46x = 8,568,657.52
  5. Step 5: Solve for x
    x = 8,568,657.52/3,242.46
  6. Step 6: Final answer
    x = 2,642.64

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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.