Home / 3,335.68-5,000.64-1,389.52

Finding the Fourth Proportional to 3,335.68, 5,000.64 and 1,389.52

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Solution

The fourth proportional to 3,335.68, 5,000.64 and 1,389.52 is: 2,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.68 : 5,000.64 = 1,389.52 : x
  2. Step 2: Convert to fraction form
    3,335.68/5,000.64 = 1,389.52/x
  3. Step 3: Cross multiply
    3,335.68x = 5,000.64 × 1,389.52
  4. Step 4: Simplify right side
    3,335.68x = 6,948,489.29
  5. Step 5: Solve for x
    x = 6,948,489.29/3,335.68
  6. Step 6: Final answer
    x = 2,083.08

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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.