Home / 3,639.50-5,459.36-1,042.44

Finding the Fourth Proportional to 3,639.50, 5,459.36 and 1,042.44

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Solution

The fourth proportional to 3,639.50, 5,459.36 and 1,042.44 is: 1,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.50 : 5,459.36 = 1,042.44 : x
  2. Step 2: Convert to fraction form
    3,639.50/5,459.36 = 1,042.44/x
  3. Step 3: Cross multiply
    3,639.50x = 5,459.36 × 1,042.44
  4. Step 4: Simplify right side
    3,639.50x = 5,691,055.24
  5. Step 5: Solve for x
    x = 5,691,055.24/3,639.50
  6. Step 6: Final answer
    x = 1,563.69

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1.5x scale

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.