Home / 2,869.50-3,959.74-1,610.29

Finding the Fourth Proportional to 2,869.50, 3,959.74 and 1,610.29

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Solution

The fourth proportional to 2,869.50, 3,959.74 and 1,610.29 is: 2,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.50 : 3,959.74 = 1,610.29 : x
  2. Step 2: Convert to fraction form
    2,869.50/3,959.74 = 1,610.29/x
  3. Step 3: Cross multiply
    2,869.50x = 3,959.74 × 1,610.29
  4. Step 4: Simplify right side
    2,869.50x = 6,376,329.72
  5. Step 5: Solve for x
    x = 6,376,329.72/2,869.50
  6. Step 6: Final answer
    x = 2,222.10

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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.