Home / 2,682.28-4,023.42-1,707.40

Finding the Fourth Proportional to 2,682.28, 4,023.42 and 1,707.40

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Solution

The fourth proportional to 2,682.28, 4,023.42 and 1,707.40 is: 2,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.28 : 4,023.42 = 1,707.40 : x
  2. Step 2: Convert to fraction form
    2,682.28/4,023.42 = 1,707.40/x
  3. Step 3: Cross multiply
    2,682.28x = 4,023.42 × 1,707.40
  4. Step 4: Simplify right side
    2,682.28x = 6,869,587.31
  5. Step 5: Solve for x
    x = 6,869,587.31/2,682.28
  6. Step 6: Final answer
    x = 2,561.10

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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.