Home / 2,995.86-4,132.66-1,876.56

Finding the Fourth Proportional to 2,995.86, 4,132.66 and 1,876.56

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Solution

The fourth proportional to 2,995.86, 4,132.66 and 1,876.56 is: 2,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.86 : 4,132.66 = 1,876.56 : x
  2. Step 2: Convert to fraction form
    2,995.86/4,132.66 = 1,876.56/x
  3. Step 3: Cross multiply
    2,995.86x = 4,132.66 × 1,876.56
  4. Step 4: Simplify right side
    2,995.86x = 7,755,184.45
  5. Step 5: Solve for x
    x = 7,755,184.45/2,995.86
  6. Step 6: Final answer
    x = 2,588.63

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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.