Home / 3,331.31-4,595.67-2,152.76

Finding the Fourth Proportional to 3,331.31, 4,595.67 and 2,152.76

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Solution

The fourth proportional to 3,331.31, 4,595.67 and 2,152.76 is: 2,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.31 : 4,595.67 = 2,152.76 : x
  2. Step 2: Convert to fraction form
    3,331.31/4,595.67 = 2,152.76/x
  3. Step 3: Cross multiply
    3,331.31x = 4,595.67 × 2,152.76
  4. Step 4: Simplify right side
    3,331.31x = 9,893,351.57
  5. Step 5: Solve for x
    x = 9,893,351.57/3,331.31
  6. Step 6: Final answer
    x = 2,969.81

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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.