Home / 3,915.41-5,871.71-1,141.53

Finding the Fourth Proportional to 3,915.41, 5,871.71 and 1,141.53

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Solution

The fourth proportional to 3,915.41, 5,871.71 and 1,141.53 is: 1,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.41 : 5,871.71 = 1,141.53 : x
  2. Step 2: Convert to fraction form
    3,915.41/5,871.71 = 1,141.53/x
  3. Step 3: Cross multiply
    3,915.41x = 5,871.71 × 1,141.53
  4. Step 4: Simplify right side
    3,915.41x = 6,702,727.41
  5. Step 5: Solve for x
    x = 6,702,727.41/3,915.41
  6. Step 6: Final answer
    x = 1,711.88

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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.