Home / 2,869.16-3,959.35-1,610.21

Finding the Fourth Proportional to 2,869.16, 3,959.35 and 1,610.21

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Solution

The fourth proportional to 2,869.16, 3,959.35 and 1,610.21 is: 2,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.16 : 3,959.35 = 1,610.21 : x
  2. Step 2: Convert to fraction form
    2,869.16/3,959.35 = 1,610.21/x
  3. Step 3: Cross multiply
    2,869.16x = 3,959.35 × 1,610.21
  4. Step 4: Simplify right side
    2,869.16x = 6,375,390.84
  5. Step 5: Solve for x
    x = 6,375,390.84/2,869.16
  6. Step 6: Final answer
    x = 2,222.04

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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.