Home / 3,803.02-5,247.61-2,124.22

Finding the Fourth Proportional to 3,803.02, 5,247.61 and 2,124.22

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Solution

The fourth proportional to 3,803.02, 5,247.61 and 2,124.22 is: 2,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.02 : 5,247.61 = 2,124.22 : x
  2. Step 2: Convert to fraction form
    3,803.02/5,247.61 = 2,124.22/x
  3. Step 3: Cross multiply
    3,803.02x = 5,247.61 × 2,124.22
  4. Step 4: Simplify right side
    3,803.02x = 11,147,078.11
  5. Step 5: Solve for x
    x = 11,147,078.11/3,803.02
  6. Step 6: Final answer
    x = 2,931.11

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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.