Home / 2,917.56-4,025.30-1,658.54

Finding the Fourth Proportional to 2,917.56, 4,025.30 and 1,658.54

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Solution

The fourth proportional to 2,917.56, 4,025.30 and 1,658.54 is: 2,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.56 : 4,025.30 = 1,658.54 : x
  2. Step 2: Convert to fraction form
    2,917.56/4,025.30 = 1,658.54/x
  3. Step 3: Cross multiply
    2,917.56x = 4,025.30 × 1,658.54
  4. Step 4: Simplify right side
    2,917.56x = 6,676,121.06
  5. Step 5: Solve for x
    x = 6,676,121.06/2,917.56
  6. Step 6: Final answer
    x = 2,288.25

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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.