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Finding the Fourth Proportional to 2,758.80, 3,805.87 and 2,444.39

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Solution

The fourth proportional to 2,758.80, 3,805.87 and 2,444.39 is: 3,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.80 : 3,805.87 = 2,444.39 : x
  2. Step 2: Convert to fraction form
    2,758.80/3,805.87 = 2,444.39/x
  3. Step 3: Cross multiply
    2,758.80x = 3,805.87 × 2,444.39
  4. Step 4: Simplify right side
    2,758.80x = 9,303,030.57
  5. Step 5: Solve for x
    x = 9,303,030.57/2,758.80
  6. Step 6: Final answer
    x = 3,372.13

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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.