Home / 2,488.08-3,733.20-1,189.44

Finding the Fourth Proportional to 2,488.08, 3,733.20 and 1,189.44

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Solution

The fourth proportional to 2,488.08, 3,733.20 and 1,189.44 is: 1,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.08 : 3,733.20 = 1,189.44 : x
  2. Step 2: Convert to fraction form
    2,488.08/3,733.20 = 1,189.44/x
  3. Step 3: Cross multiply
    2,488.08x = 3,733.20 × 1,189.44
  4. Step 4: Simplify right side
    2,488.08x = 4,440,417.41
  5. Step 5: Solve for x
    x = 4,440,417.41/2,488.08
  6. Step 6: Final answer
    x = 1,784.68

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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.