Home / 3,803.13-5,248.26-2,124.57

Finding the Fourth Proportional to 3,803.13, 5,248.26 and 2,124.57

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Solution

The fourth proportional to 3,803.13, 5,248.26 and 2,124.57 is: 2,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.13 : 5,248.26 = 2,124.57 : x
  2. Step 2: Convert to fraction form
    3,803.13/5,248.26 = 2,124.57/x
  3. Step 3: Cross multiply
    3,803.13x = 5,248.26 × 2,124.57
  4. Step 4: Simplify right side
    3,803.13x = 11,150,295.75
  5. Step 5: Solve for x
    x = 11,150,295.75/3,803.13
  6. Step 6: Final answer
    x = 2,931.87

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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.