Home / 2,740.10-4,110.15-1,427.90

Finding the Fourth Proportional to 2,740.10, 4,110.15 and 1,427.90

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Solution

The fourth proportional to 2,740.10, 4,110.15 and 1,427.90 is: 2,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.10 : 4,110.15 = 1,427.90 : x
  2. Step 2: Convert to fraction form
    2,740.10/4,110.15 = 1,427.90/x
  3. Step 3: Cross multiply
    2,740.10x = 4,110.15 × 1,427.90
  4. Step 4: Simplify right side
    2,740.10x = 5,868,883.19
  5. Step 5: Solve for x
    x = 5,868,883.19/2,740.10
  6. Step 6: Final answer
    x = 2,141.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.