Home / 2,254.23-3,382.47-1,215.18

Finding the Fourth Proportional to 2,254.23, 3,382.47 and 1,215.18

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Solution

The fourth proportional to 2,254.23, 3,382.47 and 1,215.18 is: 1,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.23 : 3,382.47 = 1,215.18 : x
  2. Step 2: Convert to fraction form
    2,254.23/3,382.47 = 1,215.18/x
  3. Step 3: Cross multiply
    2,254.23x = 3,382.47 × 1,215.18
  4. Step 4: Simplify right side
    2,254.23x = 4,110,309.89
  5. Step 5: Solve for x
    x = 4,110,309.89/2,254.23
  6. Step 6: Final answer
    x = 1,823.38

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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.