Home / 3,392.29-5,077.59-2,212.86

Finding the Fourth Proportional to 3,392.29, 5,077.59 and 2,212.86

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Solution

The fourth proportional to 3,392.29, 5,077.59 and 2,212.86 is: 3,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.29 : 5,077.59 = 2,212.86 : x
  2. Step 2: Convert to fraction form
    3,392.29/5,077.59 = 2,212.86/x
  3. Step 3: Cross multiply
    3,392.29x = 5,077.59 × 2,212.86
  4. Step 4: Simplify right side
    3,392.29x = 11,235,995.81
  5. Step 5: Solve for x
    x = 11,235,995.81/3,392.29
  6. Step 6: Final answer
    x = 3,312.22

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1.5x scale

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.