Home / 3,617.90-5,427.25-1,152.14

Finding the Fourth Proportional to 3,617.90, 5,427.25 and 1,152.14

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Solution

The fourth proportional to 3,617.90, 5,427.25 and 1,152.14 is: 1,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.90 : 5,427.25 = 1,152.14 : x
  2. Step 2: Convert to fraction form
    3,617.90/5,427.25 = 1,152.14/x
  3. Step 3: Cross multiply
    3,617.90x = 5,427.25 × 1,152.14
  4. Step 4: Simplify right side
    3,617.90x = 6,252,951.82
  5. Step 5: Solve for x
    x = 6,252,951.82/3,617.90
  6. Step 6: Final answer
    x = 1,728.34

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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.