Home / 3,125.79-4,686.80-2,150.82

Finding the Fourth Proportional to 3,125.79, 4,686.80 and 2,150.82

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Solution

The fourth proportional to 3,125.79, 4,686.80 and 2,150.82 is: 3,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.79 : 4,686.80 = 2,150.82 : x
  2. Step 2: Convert to fraction form
    3,125.79/4,686.80 = 2,150.82/x
  3. Step 3: Cross multiply
    3,125.79x = 4,686.80 × 2,150.82
  4. Step 4: Simplify right side
    3,125.79x = 10,080,452.42
  5. Step 5: Solve for x
    x = 10,080,452.42/3,125.79
  6. Step 6: Final answer
    x = 3,224.93

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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.