Home / 3,460.88-4,775.78-2,340.05

Finding the Fourth Proportional to 3,460.88, 4,775.78 and 2,340.05

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Solution

The fourth proportional to 3,460.88, 4,775.78 and 2,340.05 is: 3,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.88 : 4,775.78 = 2,340.05 : x
  2. Step 2: Convert to fraction form
    3,460.88/4,775.78 = 2,340.05/x
  3. Step 3: Cross multiply
    3,460.88x = 4,775.78 × 2,340.05
  4. Step 4: Simplify right side
    3,460.88x = 11,175,545.96
  5. Step 5: Solve for x
    x = 11,175,545.96/3,460.88
  6. Step 6: Final answer
    x = 3,229.10

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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.