Home / 2,798.15-4,197.14-1,154.79

Finding the Fourth Proportional to 2,798.15, 4,197.14 and 1,154.79

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Solution

The fourth proportional to 2,798.15, 4,197.14 and 1,154.79 is: 1,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.15 : 4,197.14 = 1,154.79 : x
  2. Step 2: Convert to fraction form
    2,798.15/4,197.14 = 1,154.79/x
  3. Step 3: Cross multiply
    2,798.15x = 4,197.14 × 1,154.79
  4. Step 4: Simplify right side
    2,798.15x = 4,846,809.53
  5. Step 5: Solve for x
    x = 4,846,809.53/2,798.15
  6. Step 6: Final answer
    x = 1,732.15

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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.