Home / 3,806.02-5,251.84-2,127.52

Finding the Fourth Proportional to 3,806.02, 5,251.84 and 2,127.52

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Solution

The fourth proportional to 3,806.02, 5,251.84 and 2,127.52 is: 2,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.02 : 5,251.84 = 2,127.52 : x
  2. Step 2: Convert to fraction form
    3,806.02/5,251.84 = 2,127.52/x
  3. Step 3: Cross multiply
    3,806.02x = 5,251.84 × 2,127.52
  4. Step 4: Simplify right side
    3,806.02x = 11,173,394.64
  5. Step 5: Solve for x
    x = 11,173,394.64/3,806.02
  6. Step 6: Final answer
    x = 2,935.72

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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.