Home / 3,832.20-5,285.52-2,888.28

Finding the Fourth Proportional to 3,832.20, 5,285.52 and 2,888.28

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Solution

The fourth proportional to 3,832.20, 5,285.52 and 2,888.28 is: 3,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.20 : 5,285.52 = 2,888.28 : x
  2. Step 2: Convert to fraction form
    3,832.20/5,285.52 = 2,888.28/x
  3. Step 3: Cross multiply
    3,832.20x = 5,285.52 × 2,888.28
  4. Step 4: Simplify right side
    3,832.20x = 15,266,061.71
  5. Step 5: Solve for x
    x = 15,266,061.71/3,832.20
  6. Step 6: Final answer
    x = 3,983.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.