Home / 2,740.16-4,110.41-891.54

Finding the Fourth Proportional to 2,740.16, 4,110.41 and 891.54

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Solution

The fourth proportional to 2,740.16, 4,110.41 and 891.54 is: 1,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.16 : 4,110.41 = 891.54 : x
  2. Step 2: Convert to fraction form
    2,740.16/4,110.41 = 891.54/x
  3. Step 3: Cross multiply
    2,740.16x = 4,110.41 × 891.54
  4. Step 4: Simplify right side
    2,740.16x = 3,664,597.16
  5. Step 5: Solve for x
    x = 3,664,597.16/2,740.16
  6. Step 6: Final answer
    x = 1,337.36

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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.