Home / 3,147.52-4,342.49-1,952.07

Finding the Fourth Proportional to 3,147.52, 4,342.49 and 1,952.07

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Solution

The fourth proportional to 3,147.52, 4,342.49 and 1,952.07 is: 2,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.52 : 4,342.49 = 1,952.07 : x
  2. Step 2: Convert to fraction form
    3,147.52/4,342.49 = 1,952.07/x
  3. Step 3: Cross multiply
    3,147.52x = 4,342.49 × 1,952.07
  4. Step 4: Simplify right side
    3,147.52x = 8,476,844.45
  5. Step 5: Solve for x
    x = 8,476,844.45/3,147.52
  6. Step 6: Final answer
    x = 2,693.18

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1.5x scale

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.