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Finding the Fourth Proportional to 3,373, 4,654.80 and 1,975.72

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Solution

The fourth proportional to 3,373, 4,654.80 and 1,975.72 is: 2,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373 : 4,654.80 = 1,975.72 : x
  2. Step 2: Convert to fraction form
    3,373/4,654.80 = 1,975.72/x
  3. Step 3: Cross multiply
    3,373x = 4,654.80 × 1,975.72
  4. Step 4: Simplify right side
    3,373x = 9,196,581.46
  5. Step 5: Solve for x
    x = 9,196,581.46/3,373
  6. Step 6: Final answer
    x = 2,726.53

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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.