Home / 3,349.20-4,621.68-1,951.68

Finding the Fourth Proportional to 3,349.20, 4,621.68 and 1,951.68

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Solution

The fourth proportional to 3,349.20, 4,621.68 and 1,951.68 is: 2,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.20 : 4,621.68 = 1,951.68 : x
  2. Step 2: Convert to fraction form
    3,349.20/4,621.68 = 1,951.68/x
  3. Step 3: Cross multiply
    3,349.20x = 4,621.68 × 1,951.68
  4. Step 4: Simplify right side
    3,349.20x = 9,020,040.42
  5. Step 5: Solve for x
    x = 9,020,040.42/3,349.20
  6. Step 6: Final answer
    x = 2,693.19

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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.