Home / 3,803.02-5,247.92-2,124.38

Finding the Fourth Proportional to 3,803.02, 5,247.92 and 2,124.38

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Solution

The fourth proportional to 3,803.02, 5,247.92 and 2,124.38 is: 2,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.02 : 5,247.92 = 2,124.38 : x
  2. Step 2: Convert to fraction form
    3,803.02/5,247.92 = 2,124.38/x
  3. Step 3: Cross multiply
    3,803.02x = 5,247.92 × 2,124.38
  4. Step 4: Simplify right side
    3,803.02x = 11,148,576.29
  5. Step 5: Solve for x
    x = 11,148,576.29/3,803.02
  6. Step 6: Final answer
    x = 2,931.51

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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.