Home / 3,153.24-4,728.96-1,508.16

Finding the Fourth Proportional to 3,153.24, 4,728.96 and 1,508.16

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Solution

The fourth proportional to 3,153.24, 4,728.96 and 1,508.16 is: 2,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.24 : 4,728.96 = 1,508.16 : x
  2. Step 2: Convert to fraction form
    3,153.24/4,728.96 = 1,508.16/x
  3. Step 3: Cross multiply
    3,153.24x = 4,728.96 × 1,508.16
  4. Step 4: Simplify right side
    3,153.24x = 7,132,028.31
  5. Step 5: Solve for x
    x = 7,132,028.31/3,153.24
  6. Step 6: Final answer
    x = 2,261.81

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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.