Home / 2,740.85-4,111.13-2,436.20

Finding the Fourth Proportional to 2,740.85, 4,111.13 and 2,436.20

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Solution

The fourth proportional to 2,740.85, 4,111.13 and 2,436.20 is: 3,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.85 : 4,111.13 = 2,436.20 : x
  2. Step 2: Convert to fraction form
    2,740.85/4,111.13 = 2,436.20/x
  3. Step 3: Cross multiply
    2,740.85x = 4,111.13 × 2,436.20
  4. Step 4: Simplify right side
    2,740.85x = 10,015,502.17
  5. Step 5: Solve for x
    x = 10,015,502.17/2,740.85
  6. Step 6: Final answer
    x = 3,654.17

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1.5x scale

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.