Home / 2,228.79-3,343.20-1,742.25

Finding the Fourth Proportional to 2,228.79, 3,343.20 and 1,742.25

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Solution

The fourth proportional to 2,228.79, 3,343.20 and 1,742.25 is: 2,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.79 : 3,343.20 = 1,742.25 : x
  2. Step 2: Convert to fraction form
    2,228.79/3,343.20 = 1,742.25/x
  3. Step 3: Cross multiply
    2,228.79x = 3,343.20 × 1,742.25
  4. Step 4: Simplify right side
    2,228.79x = 5,824,690.20
  5. Step 5: Solve for x
    x = 5,824,690.20/2,228.79
  6. Step 6: Final answer
    x = 2,613.39

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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.