Home / 3,521.30-4,859.16-2,104.88

Finding the Fourth Proportional to 3,521.30, 4,859.16 and 2,104.88

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Solution

The fourth proportional to 3,521.30, 4,859.16 and 2,104.88 is: 2,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.30 : 4,859.16 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    3,521.30/4,859.16 = 2,104.88/x
  3. Step 3: Cross multiply
    3,521.30x = 4,859.16 × 2,104.88
  4. Step 4: Simplify right side
    3,521.30x = 10,227,948.70
  5. Step 5: Solve for x
    x = 10,227,948.70/3,521.30
  6. Step 6: Final answer
    x = 2,904.59

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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.