Home / 2,910.77-4,368.34-2,132.75

Finding the Fourth Proportional to 2,910.77, 4,368.34 and 2,132.75

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Solution

The fourth proportional to 2,910.77, 4,368.34 and 2,132.75 is: 3,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.77 : 4,368.34 = 2,132.75 : x
  2. Step 2: Convert to fraction form
    2,910.77/4,368.34 = 2,132.75/x
  3. Step 3: Cross multiply
    2,910.77x = 4,368.34 × 2,132.75
  4. Step 4: Simplify right side
    2,910.77x = 9,316,582.72
  5. Step 5: Solve for x
    x = 9,316,582.72/2,910.77
  6. Step 6: Final answer
    x = 3,200.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.