Home / 2,276.52-3,144.66-1,690.08

Finding the Fourth Proportional to 2,276.52, 3,144.66 and 1,690.08

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Solution

The fourth proportional to 2,276.52, 3,144.66 and 1,690.08 is: 2,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.52 : 3,144.66 = 1,690.08 : x
  2. Step 2: Convert to fraction form
    2,276.52/3,144.66 = 1,690.08/x
  3. Step 3: Cross multiply
    2,276.52x = 3,144.66 × 1,690.08
  4. Step 4: Simplify right side
    2,276.52x = 5,314,726.97
  5. Step 5: Solve for x
    x = 5,314,726.97/2,276.52
  6. Step 6: Final answer
    x = 2,334.58

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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.