Home / 3,335.82-5,002.80-1,387.59

Finding the Fourth Proportional to 3,335.82, 5,002.80 and 1,387.59

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Solution

The fourth proportional to 3,335.82, 5,002.80 and 1,387.59 is: 2,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.82 : 5,002.80 = 1,387.59 : x
  2. Step 2: Convert to fraction form
    3,335.82/5,002.80 = 1,387.59/x
  3. Step 3: Cross multiply
    3,335.82x = 5,002.80 × 1,387.59
  4. Step 4: Simplify right side
    3,335.82x = 6,941,835.25
  5. Step 5: Solve for x
    x = 6,941,835.25/3,335.82
  6. Step 6: Final answer
    x = 2,081.00

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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.