Home / 2,575.17-3,865.19-1,873.13

Finding the Fourth Proportional to 2,575.17, 3,865.19 and 1,873.13

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Solution

The fourth proportional to 2,575.17, 3,865.19 and 1,873.13 is: 2,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.17 : 3,865.19 = 1,873.13 : x
  2. Step 2: Convert to fraction form
    2,575.17/3,865.19 = 1,873.13/x
  3. Step 3: Cross multiply
    2,575.17x = 3,865.19 × 1,873.13
  4. Step 4: Simplify right side
    2,575.17x = 7,239,974.65
  5. Step 5: Solve for x
    x = 7,239,974.65/2,575.17
  6. Step 6: Final answer
    x = 2,811.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.