Home / 3,299.32-4,948.86-1,351

Finding the Fourth Proportional to 3,299.32, 4,948.86 and 1,351

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Solution

The fourth proportional to 3,299.32, 4,948.86 and 1,351 is: 2,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.32 : 4,948.86 = 1,351 : x
  2. Step 2: Convert to fraction form
    3,299.32/4,948.86 = 1,351/x
  3. Step 3: Cross multiply
    3,299.32x = 4,948.86 × 1,351
  4. Step 4: Simplify right side
    3,299.32x = 6,685,909.86
  5. Step 5: Solve for x
    x = 6,685,909.86/3,299.32
  6. Step 6: Final answer
    x = 2,026.45

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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.