Home / 3,334.98-5,003.10-1,387.35

Finding the Fourth Proportional to 3,334.98, 5,003.10 and 1,387.35

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Solution

The fourth proportional to 3,334.98, 5,003.10 and 1,387.35 is: 2,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.98 : 5,003.10 = 1,387.35 : x
  2. Step 2: Convert to fraction form
    3,334.98/5,003.10 = 1,387.35/x
  3. Step 3: Cross multiply
    3,334.98x = 5,003.10 × 1,387.35
  4. Step 4: Simplify right side
    3,334.98x = 6,941,050.79
  5. Step 5: Solve for x
    x = 6,941,050.79/3,334.98
  6. Step 6: Final answer
    x = 2,081.29

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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.