Home / 2,740.67-4,106.22-2,281.40

Finding the Fourth Proportional to 2,740.67, 4,106.22 and 2,281.40

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Solution

The fourth proportional to 2,740.67, 4,106.22 and 2,281.40 is: 3,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.67 : 4,106.22 = 2,281.40 : x
  2. Step 2: Convert to fraction form
    2,740.67/4,106.22 = 2,281.40/x
  3. Step 3: Cross multiply
    2,740.67x = 4,106.22 × 2,281.40
  4. Step 4: Simplify right side
    2,740.67x = 9,367,930.31
  5. Step 5: Solve for x
    x = 9,367,930.31/2,740.67
  6. Step 6: Final answer
    x = 3,418.12

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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.