Home / 2,893.12-4,342.08-1,432.72

Finding the Fourth Proportional to 2,893.12, 4,342.08 and 1,432.72

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Solution

The fourth proportional to 2,893.12, 4,342.08 and 1,432.72 is: 2,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.12 : 4,342.08 = 1,432.72 : x
  2. Step 2: Convert to fraction form
    2,893.12/4,342.08 = 1,432.72/x
  3. Step 3: Cross multiply
    2,893.12x = 4,342.08 × 1,432.72
  4. Step 4: Simplify right side
    2,893.12x = 6,220,984.86
  5. Step 5: Solve for x
    x = 6,220,984.86/2,893.12
  6. Step 6: Final answer
    x = 2,150.27

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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.