Home / 3,521.97-4,860.28-2,124.72

Finding the Fourth Proportional to 3,521.97, 4,860.28 and 2,124.72

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Solution

The fourth proportional to 3,521.97, 4,860.28 and 2,124.72 is: 2,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.97 : 4,860.28 = 2,124.72 : x
  2. Step 2: Convert to fraction form
    3,521.97/4,860.28 = 2,124.72/x
  3. Step 3: Cross multiply
    3,521.97x = 4,860.28 × 2,124.72
  4. Step 4: Simplify right side
    3,521.97x = 10,326,734.12
  5. Step 5: Solve for x
    x = 10,326,734.12/3,521.97
  6. Step 6: Final answer
    x = 2,932.09

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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.