Home / 3,169-4,747.20-2,472.32

Finding the Fourth Proportional to 3,169, 4,747.20 and 2,472.32

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Solution

The fourth proportional to 3,169, 4,747.20 and 2,472.32 is: 3,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169 : 4,747.20 = 2,472.32 : x
  2. Step 2: Convert to fraction form
    3,169/4,747.20 = 2,472.32/x
  3. Step 3: Cross multiply
    3,169x = 4,747.20 × 2,472.32
  4. Step 4: Simplify right side
    3,169x = 11,736,597.50
  5. Step 5: Solve for x
    x = 11,736,597.50/3,169
  6. Step 6: Final answer
    x = 3,703.57

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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.