Home / 2,340.90-3,230.52-1,292.97

Finding the Fourth Proportional to 2,340.90, 3,230.52 and 1,292.97

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Solution

The fourth proportional to 2,340.90, 3,230.52 and 1,292.97 is: 1,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.90 : 3,230.52 = 1,292.97 : x
  2. Step 2: Convert to fraction form
    2,340.90/3,230.52 = 1,292.97/x
  3. Step 3: Cross multiply
    2,340.90x = 3,230.52 × 1,292.97
  4. Step 4: Simplify right side
    2,340.90x = 4,176,965.44
  5. Step 5: Solve for x
    x = 4,176,965.44/2,340.90
  6. Step 6: Final answer
    x = 1,784.34

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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.