Home / 3,803.10-5,248.28-2,231.20

Finding the Fourth Proportional to 3,803.10, 5,248.28 and 2,231.20

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Solution

The fourth proportional to 3,803.10, 5,248.28 and 2,231.20 is: 3,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.10 : 5,248.28 = 2,231.20 : x
  2. Step 2: Convert to fraction form
    3,803.10/5,248.28 = 2,231.20/x
  3. Step 3: Cross multiply
    3,803.10x = 5,248.28 × 2,231.20
  4. Step 4: Simplify right side
    3,803.10x = 11,709,962.34
  5. Step 5: Solve for x
    x = 11,709,962.34/3,803.10
  6. Step 6: Final answer
    x = 3,079.06

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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.