Home / 4,077.96-5,627.80-2,309.74

Finding the Fourth Proportional to 4,077.96, 5,627.80 and 2,309.74

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Solution

The fourth proportional to 4,077.96, 5,627.80 and 2,309.74 is: 3,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.96 : 5,627.80 = 2,309.74 : x
  2. Step 2: Convert to fraction form
    4,077.96/5,627.80 = 2,309.74/x
  3. Step 3: Cross multiply
    4,077.96x = 5,627.80 × 2,309.74
  4. Step 4: Simplify right side
    4,077.96x = 12,998,754.77
  5. Step 5: Solve for x
    x = 12,998,754.77/4,077.96
  6. Step 6: Final answer
    x = 3,187.56

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1.5x scale

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.