Home / 3,639.24-5,461.56-1,559.16

Finding the Fourth Proportional to 3,639.24, 5,461.56 and 1,559.16

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Solution

The fourth proportional to 3,639.24, 5,461.56 and 1,559.16 is: 2,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.24 : 5,461.56 = 1,559.16 : x
  2. Step 2: Convert to fraction form
    3,639.24/5,461.56 = 1,559.16/x
  3. Step 3: Cross multiply
    3,639.24x = 5,461.56 × 1,559.16
  4. Step 4: Simplify right side
    3,639.24x = 8,515,445.89
  5. Step 5: Solve for x
    x = 8,515,445.89/3,639.24
  6. Step 6: Final answer
    x = 2,339.90

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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.