Home / 3,241.59-4,473.15-1,915.02

Finding the Fourth Proportional to 3,241.59, 4,473.15 and 1,915.02

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Solution

The fourth proportional to 3,241.59, 4,473.15 and 1,915.02 is: 2,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.59 : 4,473.15 = 1,915.02 : x
  2. Step 2: Convert to fraction form
    3,241.59/4,473.15 = 1,915.02/x
  3. Step 3: Cross multiply
    3,241.59x = 4,473.15 × 1,915.02
  4. Step 4: Simplify right side
    3,241.59x = 8,566,171.71
  5. Step 5: Solve for x
    x = 8,566,171.71/3,241.59
  6. Step 6: Final answer
    x = 2,642.58

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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.