Home / 2,148.39-2,963.79-1,675.49

Finding the Fourth Proportional to 2,148.39, 2,963.79 and 1,675.49

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Solution

The fourth proportional to 2,148.39, 2,963.79 and 1,675.49 is: 2,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.39 : 2,963.79 = 1,675.49 : x
  2. Step 2: Convert to fraction form
    2,148.39/2,963.79 = 1,675.49/x
  3. Step 3: Cross multiply
    2,148.39x = 2,963.79 × 1,675.49
  4. Step 4: Simplify right side
    2,148.39x = 4,965,785.69
  5. Step 5: Solve for x
    x = 4,965,785.69/2,148.39
  6. Step 6: Final answer
    x = 2,311.40

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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.