Home / 3,177.24-4,760.80-2,133.39

Finding the Fourth Proportional to 3,177.24, 4,760.80 and 2,133.39

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Solution

The fourth proportional to 3,177.24, 4,760.80 and 2,133.39 is: 3,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.24 : 4,760.80 = 2,133.39 : x
  2. Step 2: Convert to fraction form
    3,177.24/4,760.80 = 2,133.39/x
  3. Step 3: Cross multiply
    3,177.24x = 4,760.80 × 2,133.39
  4. Step 4: Simplify right side
    3,177.24x = 10,156,643.11
  5. Step 5: Solve for x
    x = 10,156,643.11/3,177.24
  6. Step 6: Final answer
    x = 3,196.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.