Home / 3,681.48-5,517.54-1,731

Finding the Fourth Proportional to 3,681.48, 5,517.54 and 1,731

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Solution

The fourth proportional to 3,681.48, 5,517.54 and 1,731 is: 2,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.48 : 5,517.54 = 1,731 : x
  2. Step 2: Convert to fraction form
    3,681.48/5,517.54 = 1,731/x
  3. Step 3: Cross multiply
    3,681.48x = 5,517.54 × 1,731
  4. Step 4: Simplify right side
    3,681.48x = 9,550,861.74
  5. Step 5: Solve for x
    x = 9,550,861.74/3,681.48
  6. Step 6: Final answer
    x = 2,594.30

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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.