Home / 2,740.20-4,110.90-1,354.20

Finding the Fourth Proportional to 2,740.20, 4,110.90 and 1,354.20

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Solution

The fourth proportional to 2,740.20, 4,110.90 and 1,354.20 is: 2,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.20 : 4,110.90 = 1,354.20 : x
  2. Step 2: Convert to fraction form
    2,740.20/4,110.90 = 1,354.20/x
  3. Step 3: Cross multiply
    2,740.20x = 4,110.90 × 1,354.20
  4. Step 4: Simplify right side
    2,740.20x = 5,566,980.78
  5. Step 5: Solve for x
    x = 5,566,980.78/2,740.20
  6. Step 6: Final answer
    x = 2,031.60

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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.