Home / 2,254.65-3,107.67-1,508.34

Finding the Fourth Proportional to 2,254.65, 3,107.67 and 1,508.34

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Solution

The fourth proportional to 2,254.65, 3,107.67 and 1,508.34 is: 2,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.65 : 3,107.67 = 1,508.34 : x
  2. Step 2: Convert to fraction form
    2,254.65/3,107.67 = 1,508.34/x
  3. Step 3: Cross multiply
    2,254.65x = 3,107.67 × 1,508.34
  4. Step 4: Simplify right side
    2,254.65x = 4,687,422.97
  5. Step 5: Solve for x
    x = 4,687,422.97/2,254.65
  6. Step 6: Final answer
    x = 2,079.00

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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.