Home / 3,335.41-5,005.14-1,387.59

Finding the Fourth Proportional to 3,335.41, 5,005.14 and 1,387.59

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Solution

The fourth proportional to 3,335.41, 5,005.14 and 1,387.59 is: 2,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.41 : 5,005.14 = 1,387.59 : x
  2. Step 2: Convert to fraction form
    3,335.41/5,005.14 = 1,387.59/x
  3. Step 3: Cross multiply
    3,335.41x = 5,005.14 × 1,387.59
  4. Step 4: Simplify right side
    3,335.41x = 6,945,082.21
  5. Step 5: Solve for x
    x = 6,945,082.21/3,335.41
  6. Step 6: Final answer
    x = 2,082.23

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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.