Home / 2,292.75-3,162.56-1,828.11

Finding the Fourth Proportional to 2,292.75, 3,162.56 and 1,828.11

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Solution

The fourth proportional to 2,292.75, 3,162.56 and 1,828.11 is: 2,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.75 : 3,162.56 = 1,828.11 : x
  2. Step 2: Convert to fraction form
    2,292.75/3,162.56 = 1,828.11/x
  3. Step 3: Cross multiply
    2,292.75x = 3,162.56 × 1,828.11
  4. Step 4: Simplify right side
    2,292.75x = 5,781,498.42
  5. Step 5: Solve for x
    x = 5,781,498.42/2,292.75
  6. Step 6: Final answer
    x = 2,521.64

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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.