Home / 3,332.64-5,000.40-1,869.60

Finding the Fourth Proportional to 3,332.64, 5,000.40 and 1,869.60

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Solution

The fourth proportional to 3,332.64, 5,000.40 and 1,869.60 is: 2,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.64 : 5,000.40 = 1,869.60 : x
  2. Step 2: Convert to fraction form
    3,332.64/5,000.40 = 1,869.60/x
  3. Step 3: Cross multiply
    3,332.64x = 5,000.40 × 1,869.60
  4. Step 4: Simplify right side
    3,332.64x = 9,348,747.84
  5. Step 5: Solve for x
    x = 9,348,747.84/3,332.64
  6. Step 6: Final answer
    x = 2,805.21

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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.