Home / 2,849.88-4,275.40-1,617.84

Finding the Fourth Proportional to 2,849.88, 4,275.40 and 1,617.84

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Solution

The fourth proportional to 2,849.88, 4,275.40 and 1,617.84 is: 2,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.88 : 4,275.40 = 1,617.84 : x
  2. Step 2: Convert to fraction form
    2,849.88/4,275.40 = 1,617.84/x
  3. Step 3: Cross multiply
    2,849.88x = 4,275.40 × 1,617.84
  4. Step 4: Simplify right side
    2,849.88x = 6,916,913.14
  5. Step 5: Solve for x
    x = 6,916,913.14/2,849.88
  6. Step 6: Final answer
    x = 2,427.09

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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.