Home / 3,310.80-4,967.42-2,387.40

Finding the Fourth Proportional to 3,310.80, 4,967.42 and 2,387.40

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Solution

The fourth proportional to 3,310.80, 4,967.42 and 2,387.40 is: 3,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.80 : 4,967.42 = 2,387.40 : x
  2. Step 2: Convert to fraction form
    3,310.80/4,967.42 = 2,387.40/x
  3. Step 3: Cross multiply
    3,310.80x = 4,967.42 × 2,387.40
  4. Step 4: Simplify right side
    3,310.80x = 11,859,218.51
  5. Step 5: Solve for x
    x = 11,859,218.51/3,310.80
  6. Step 6: Final answer
    x = 3,581.98

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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.