Home / 2,285.50-3,151.56-2,049.79

Finding the Fourth Proportional to 2,285.50, 3,151.56 and 2,049.79

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Solution

The fourth proportional to 2,285.50, 3,151.56 and 2,049.79 is: 2,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.50 : 3,151.56 = 2,049.79 : x
  2. Step 2: Convert to fraction form
    2,285.50/3,151.56 = 2,049.79/x
  3. Step 3: Cross multiply
    2,285.50x = 3,151.56 × 2,049.79
  4. Step 4: Simplify right side
    2,285.50x = 6,460,036.17
  5. Step 5: Solve for x
    x = 6,460,036.17/2,285.50
  6. Step 6: Final answer
    x = 2,826.53

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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.