Home / 2,742.19-4,114.65-1,281.04

Finding the Fourth Proportional to 2,742.19, 4,114.65 and 1,281.04

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Solution

The fourth proportional to 2,742.19, 4,114.65 and 1,281.04 is: 1,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.19 : 4,114.65 = 1,281.04 : x
  2. Step 2: Convert to fraction form
    2,742.19/4,114.65 = 1,281.04/x
  3. Step 3: Cross multiply
    2,742.19x = 4,114.65 × 1,281.04
  4. Step 4: Simplify right side
    2,742.19x = 5,271,031.24
  5. Step 5: Solve for x
    x = 5,271,031.24/2,742.19
  6. Step 6: Final answer
    x = 1,922.20

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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.