Home / 2,243.21-3,095.60-1,248.46

Finding the Fourth Proportional to 2,243.21, 3,095.60 and 1,248.46

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Solution

The fourth proportional to 2,243.21, 3,095.60 and 1,248.46 is: 1,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.21 : 3,095.60 = 1,248.46 : x
  2. Step 2: Convert to fraction form
    2,243.21/3,095.60 = 1,248.46/x
  3. Step 3: Cross multiply
    2,243.21x = 3,095.60 × 1,248.46
  4. Step 4: Simplify right side
    2,243.21x = 3,864,718.79
  5. Step 5: Solve for x
    x = 3,864,718.79/2,243.21
  6. Step 6: Final answer
    x = 1,722.86

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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.