Home / 3,151.28-4,724.16-1,202.24

Finding the Fourth Proportional to 3,151.28, 4,724.16 and 1,202.24

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Solution

The fourth proportional to 3,151.28, 4,724.16 and 1,202.24 is: 1,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.28 : 4,724.16 = 1,202.24 : x
  2. Step 2: Convert to fraction form
    3,151.28/4,724.16 = 1,202.24/x
  3. Step 3: Cross multiply
    3,151.28x = 4,724.16 × 1,202.24
  4. Step 4: Simplify right side
    3,151.28x = 5,679,574.12
  5. Step 5: Solve for x
    x = 5,679,574.12/3,151.28
  6. Step 6: Final answer
    x = 1,802.31

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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.