Home / 2,913.92-4,368.74-1,432.69

Finding the Fourth Proportional to 2,913.92, 4,368.74 and 1,432.69

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Solution

The fourth proportional to 2,913.92, 4,368.74 and 1,432.69 is: 2,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.92 : 4,368.74 = 1,432.69 : x
  2. Step 2: Convert to fraction form
    2,913.92/4,368.74 = 1,432.69/x
  3. Step 3: Cross multiply
    2,913.92x = 4,368.74 × 1,432.69
  4. Step 4: Simplify right side
    2,913.92x = 6,259,032.03
  5. Step 5: Solve for x
    x = 6,259,032.03/2,913.92
  6. Step 6: Final answer
    x = 2,147.97

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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.