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Finding the Fourth Proportional to 2,242.76, 3,095 and 1,248.08

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Solution

The fourth proportional to 2,242.76, 3,095 and 1,248.08 is: 1,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.76 : 3,095 = 1,248.08 : x
  2. Step 2: Convert to fraction form
    2,242.76/3,095 = 1,248.08/x
  3. Step 3: Cross multiply
    2,242.76x = 3,095 × 1,248.08
  4. Step 4: Simplify right side
    2,242.76x = 3,862,807.60
  5. Step 5: Solve for x
    x = 3,862,807.60/2,242.76
  6. Step 6: Final answer
    x = 1,722.35

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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.