Home / 3,542.32-5,314.36-1,077.12

Finding the Fourth Proportional to 3,542.32, 5,314.36 and 1,077.12

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Solution

The fourth proportional to 3,542.32, 5,314.36 and 1,077.12 is: 1,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.32 : 5,314.36 = 1,077.12 : x
  2. Step 2: Convert to fraction form
    3,542.32/5,314.36 = 1,077.12/x
  3. Step 3: Cross multiply
    3,542.32x = 5,314.36 × 1,077.12
  4. Step 4: Simplify right side
    3,542.32x = 5,724,203.44
  5. Step 5: Solve for x
    x = 5,724,203.44/3,542.32
  6. Step 6: Final answer
    x = 1,615.95

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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.