Home / 2,242.80-3,094.70-1,248.05

Finding the Fourth Proportional to 2,242.80, 3,094.70 and 1,248.05

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Solution

The fourth proportional to 2,242.80, 3,094.70 and 1,248.05 is: 1,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.80 : 3,094.70 = 1,248.05 : x
  2. Step 2: Convert to fraction form
    2,242.80/3,094.70 = 1,248.05/x
  3. Step 3: Cross multiply
    2,242.80x = 3,094.70 × 1,248.05
  4. Step 4: Simplify right side
    2,242.80x = 3,862,341.83
  5. Step 5: Solve for x
    x = 3,862,341.83/2,242.80
  6. Step 6: Final answer
    x = 1,722.11

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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.