Home / 2,917.80-4,026.51-1,659.11

Finding the Fourth Proportional to 2,917.80, 4,026.51 and 1,659.11

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Solution

The fourth proportional to 2,917.80, 4,026.51 and 1,659.11 is: 2,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.80 : 4,026.51 = 1,659.11 : x
  2. Step 2: Convert to fraction form
    2,917.80/4,026.51 = 1,659.11/x
  3. Step 3: Cross multiply
    2,917.80x = 4,026.51 × 1,659.11
  4. Step 4: Simplify right side
    2,917.80x = 6,680,402.87
  5. Step 5: Solve for x
    x = 6,680,402.87/2,917.80
  6. Step 6: Final answer
    x = 2,289.53

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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.