Home / 2,337.28-3,225.60-1,289.44

Finding the Fourth Proportional to 2,337.28, 3,225.60 and 1,289.44

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Solution

The fourth proportional to 2,337.28, 3,225.60 and 1,289.44 is: 1,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.28 : 3,225.60 = 1,289.44 : x
  2. Step 2: Convert to fraction form
    2,337.28/3,225.60 = 1,289.44/x
  3. Step 3: Cross multiply
    2,337.28x = 3,225.60 × 1,289.44
  4. Step 4: Simplify right side
    2,337.28x = 4,159,217.66
  5. Step 5: Solve for x
    x = 4,159,217.66/2,337.28
  6. Step 6: Final answer
    x = 1,779.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.