Home / 2,295.34-3,167.59-1,247.40

Finding the Fourth Proportional to 2,295.34, 3,167.59 and 1,247.40

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Solution

The fourth proportional to 2,295.34, 3,167.59 and 1,247.40 is: 1,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.34 : 3,167.59 = 1,247.40 : x
  2. Step 2: Convert to fraction form
    2,295.34/3,167.59 = 1,247.40/x
  3. Step 3: Cross multiply
    2,295.34x = 3,167.59 × 1,247.40
  4. Step 4: Simplify right side
    2,295.34x = 3,951,246.25
  5. Step 5: Solve for x
    x = 3,951,246.25/2,295.34
  6. Step 6: Final answer
    x = 1,721.42

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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.