Home / 3,165.34-4,366.83-2,117.74

Finding the Fourth Proportional to 3,165.34, 4,366.83 and 2,117.74

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Solution

The fourth proportional to 3,165.34, 4,366.83 and 2,117.74 is: 2,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.34 : 4,366.83 = 2,117.74 : x
  2. Step 2: Convert to fraction form
    3,165.34/4,366.83 = 2,117.74/x
  3. Step 3: Cross multiply
    3,165.34x = 4,366.83 × 2,117.74
  4. Step 4: Simplify right side
    3,165.34x = 9,247,810.56
  5. Step 5: Solve for x
    x = 9,247,810.56/3,165.34
  6. Step 6: Final answer
    x = 2,921.59

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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.