Home / 3,521.28-4,859.15-1,949.25

Finding the Fourth Proportional to 3,521.28, 4,859.15 and 1,949.25

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Solution

The fourth proportional to 3,521.28, 4,859.15 and 1,949.25 is: 2,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.28 : 4,859.15 = 1,949.25 : x
  2. Step 2: Convert to fraction form
    3,521.28/4,859.15 = 1,949.25/x
  3. Step 3: Cross multiply
    3,521.28x = 4,859.15 × 1,949.25
  4. Step 4: Simplify right side
    3,521.28x = 9,471,688.39
  5. Step 5: Solve for x
    x = 9,471,688.39/3,521.28
  6. Step 6: Final answer
    x = 2,689.84

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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.