Home / 2,715.80-3,748.12-1,654.19

Finding the Fourth Proportional to 2,715.80, 3,748.12 and 1,654.19

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Solution

The fourth proportional to 2,715.80, 3,748.12 and 1,654.19 is: 2,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.80 : 3,748.12 = 1,654.19 : x
  2. Step 2: Convert to fraction form
    2,715.80/3,748.12 = 1,654.19/x
  3. Step 3: Cross multiply
    2,715.80x = 3,748.12 × 1,654.19
  4. Step 4: Simplify right side
    2,715.80x = 6,200,103.11
  5. Step 5: Solve for x
    x = 6,200,103.11/2,715.80
  6. Step 6: Final answer
    x = 2,282.97

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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.