Home / 3,803.16-5,247.87-2,124.66

Finding the Fourth Proportional to 3,803.16, 5,247.87 and 2,124.66

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Solution

The fourth proportional to 3,803.16, 5,247.87 and 2,124.66 is: 2,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.16 : 5,247.87 = 2,124.66 : x
  2. Step 2: Convert to fraction form
    3,803.16/5,247.87 = 2,124.66/x
  3. Step 3: Cross multiply
    3,803.16x = 5,247.87 × 2,124.66
  4. Step 4: Simplify right side
    3,803.16x = 11,149,939.47
  5. Step 5: Solve for x
    x = 11,149,939.47/3,803.16
  6. Step 6: Final answer
    x = 2,931.76

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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.