Home / 2,685.07-4,023.19-2,582.55

Finding the Fourth Proportional to 2,685.07, 4,023.19 and 2,582.55

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Solution

The fourth proportional to 2,685.07, 4,023.19 and 2,582.55 is: 3,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.07 : 4,023.19 = 2,582.55 : x
  2. Step 2: Convert to fraction form
    2,685.07/4,023.19 = 2,582.55/x
  3. Step 3: Cross multiply
    2,685.07x = 4,023.19 × 2,582.55
  4. Step 4: Simplify right side
    2,685.07x = 10,390,099.83
  5. Step 5: Solve for x
    x = 10,390,099.83/2,685.07
  6. Step 6: Final answer
    x = 3,869.59

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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.