Home / 2,242.66-3,095.50-1,311.34

Finding the Fourth Proportional to 2,242.66, 3,095.50 and 1,311.34

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Solution

The fourth proportional to 2,242.66, 3,095.50 and 1,311.34 is: 1,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.66 : 3,095.50 = 1,311.34 : x
  2. Step 2: Convert to fraction form
    2,242.66/3,095.50 = 1,311.34/x
  3. Step 3: Cross multiply
    2,242.66x = 3,095.50 × 1,311.34
  4. Step 4: Simplify right side
    2,242.66x = 4,059,252.97
  5. Step 5: Solve for x
    x = 4,059,252.97/2,242.66
  6. Step 6: Final answer
    x = 1,810.02

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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.