Home / 2,917.82-4,025.90-1,924.71

Finding the Fourth Proportional to 2,917.82, 4,025.90 and 1,924.71

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Solution

The fourth proportional to 2,917.82, 4,025.90 and 1,924.71 is: 2,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.82 : 4,025.90 = 1,924.71 : x
  2. Step 2: Convert to fraction form
    2,917.82/4,025.90 = 1,924.71/x
  3. Step 3: Cross multiply
    2,917.82x = 4,025.90 × 1,924.71
  4. Step 4: Simplify right side
    2,917.82x = 7,748,702.35
  5. Step 5: Solve for x
    x = 7,748,702.35/2,917.82
  6. Step 6: Final answer
    x = 2,655.65

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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.