Home / 3,337.18-5,005.80-1,389.38

Finding the Fourth Proportional to 3,337.18, 5,005.80 and 1,389.38

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Solution

The fourth proportional to 3,337.18, 5,005.80 and 1,389.38 is: 2,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.18 : 5,005.80 = 1,389.38 : x
  2. Step 2: Convert to fraction form
    3,337.18/5,005.80 = 1,389.38/x
  3. Step 3: Cross multiply
    3,337.18x = 5,005.80 × 1,389.38
  4. Step 4: Simplify right side
    3,337.18x = 6,954,958.40
  5. Step 5: Solve for x
    x = 6,954,958.40/3,337.18
  6. Step 6: Final answer
    x = 2,084.08

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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.