Home / 2,242.80-3,095-1,248.02

Finding the Fourth Proportional to 2,242.80, 3,095 and 1,248.02

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Solution

The fourth proportional to 2,242.80, 3,095 and 1,248.02 is: 1,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.80 : 3,095 = 1,248.02 : x
  2. Step 2: Convert to fraction form
    2,242.80/3,095 = 1,248.02/x
  3. Step 3: Cross multiply
    2,242.80x = 3,095 × 1,248.02
  4. Step 4: Simplify right side
    2,242.80x = 3,862,621.90
  5. Step 5: Solve for x
    x = 3,862,621.90/2,242.80
  6. Step 6: Final answer
    x = 1,722.23

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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.