Home / 2,625.11-3,918.34-2,405.94

Finding the Fourth Proportional to 2,625.11, 3,918.34 and 2,405.94

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Solution

The fourth proportional to 2,625.11, 3,918.34 and 2,405.94 is: 3,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.11 : 3,918.34 = 2,405.94 : x
  2. Step 2: Convert to fraction form
    2,625.11/3,918.34 = 2,405.94/x
  3. Step 3: Cross multiply
    2,625.11x = 3,918.34 × 2,405.94
  4. Step 4: Simplify right side
    2,625.11x = 9,427,279.25
  5. Step 5: Solve for x
    x = 9,427,279.25/2,625.11
  6. Step 6: Final answer
    x = 3,591.20

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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.