Home / 2,439.96-3,660-1,053.72

Finding the Fourth Proportional to 2,439.96, 3,660 and 1,053.72

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Solution

The fourth proportional to 2,439.96, 3,660 and 1,053.72 is: 1,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.96 : 3,660 = 1,053.72 : x
  2. Step 2: Convert to fraction form
    2,439.96/3,660 = 1,053.72/x
  3. Step 3: Cross multiply
    2,439.96x = 3,660 × 1,053.72
  4. Step 4: Simplify right side
    2,439.96x = 3,856,615.20
  5. Step 5: Solve for x
    x = 3,856,615.20/2,439.96
  6. Step 6: Final answer
    x = 1,580.61

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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.