Home / 2,740.41-4,110.23-891.55

Finding the Fourth Proportional to 2,740.41, 4,110.23 and 891.55

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Solution

The fourth proportional to 2,740.41, 4,110.23 and 891.55 is: 1,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.41 : 4,110.23 = 891.55 : x
  2. Step 2: Convert to fraction form
    2,740.41/4,110.23 = 891.55/x
  3. Step 3: Cross multiply
    2,740.41x = 4,110.23 × 891.55
  4. Step 4: Simplify right side
    2,740.41x = 3,664,475.56
  5. Step 5: Solve for x
    x = 3,664,475.56/2,740.41
  6. Step 6: Final answer
    x = 1,337.20

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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.