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Finding the Fourth Proportional to 2,472.08, 3,407.28 and 2,100.08

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Solution

The fourth proportional to 2,472.08, 3,407.28 and 2,100.08 is: 2,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.08 : 3,407.28 = 2,100.08 : x
  2. Step 2: Convert to fraction form
    2,472.08/3,407.28 = 2,100.08/x
  3. Step 3: Cross multiply
    2,472.08x = 3,407.28 × 2,100.08
  4. Step 4: Simplify right side
    2,472.08x = 7,155,560.58
  5. Step 5: Solve for x
    x = 7,155,560.58/2,472.08
  6. Step 6: Final answer
    x = 2,894.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.