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Finding the Fourth Proportional to 2,253.33, 3,363.71 and 1,947.15

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Solution

The fourth proportional to 2,253.33, 3,363.71 and 1,947.15 is: 2,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.33 : 3,363.71 = 1,947.15 : x
  2. Step 2: Convert to fraction form
    2,253.33/3,363.71 = 1,947.15/x
  3. Step 3: Cross multiply
    2,253.33x = 3,363.71 × 1,947.15
  4. Step 4: Simplify right side
    2,253.33x = 6,549,638.19
  5. Step 5: Solve for x
    x = 6,549,638.19/2,253.33
  6. Step 6: Final answer
    x = 2,906.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.