Home / 2,712.56-4,065.77-1,614.62

Finding the Fourth Proportional to 2,712.56, 4,065.77 and 1,614.62

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Solution

The fourth proportional to 2,712.56, 4,065.77 and 1,614.62 is: 2,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.56 : 4,065.77 = 1,614.62 : x
  2. Step 2: Convert to fraction form
    2,712.56/4,065.77 = 1,614.62/x
  3. Step 3: Cross multiply
    2,712.56x = 4,065.77 × 1,614.62
  4. Step 4: Simplify right side
    2,712.56x = 6,564,677.50
  5. Step 5: Solve for x
    x = 6,564,677.50/2,712.56
  6. Step 6: Final answer
    x = 2,420.10

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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.