Home / 3,803.88-5,248.40-2,231.67

Finding the Fourth Proportional to 3,803.88, 5,248.40 and 2,231.67

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Solution

The fourth proportional to 3,803.88, 5,248.40 and 2,231.67 is: 3,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.88 : 5,248.40 = 2,231.67 : x
  2. Step 2: Convert to fraction form
    3,803.88/5,248.40 = 2,231.67/x
  3. Step 3: Cross multiply
    3,803.88x = 5,248.40 × 2,231.67
  4. Step 4: Simplify right side
    3,803.88x = 11,712,685.67
  5. Step 5: Solve for x
    x = 11,712,685.67/3,803.88
  6. Step 6: Final answer
    x = 3,079.14

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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.