Home / 2,929.74-4,390.65-1,197.42

Finding the Fourth Proportional to 2,929.74, 4,390.65 and 1,197.42

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Solution

The fourth proportional to 2,929.74, 4,390.65 and 1,197.42 is: 1,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.74 : 4,390.65 = 1,197.42 : x
  2. Step 2: Convert to fraction form
    2,929.74/4,390.65 = 1,197.42/x
  3. Step 3: Cross multiply
    2,929.74x = 4,390.65 × 1,197.42
  4. Step 4: Simplify right side
    2,929.74x = 5,257,452.12
  5. Step 5: Solve for x
    x = 5,257,452.12/2,929.74
  6. Step 6: Final answer
    x = 1,794.51

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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.