Home / 3,288.38-4,934.84-1,340.58

Finding the Fourth Proportional to 3,288.38, 4,934.84 and 1,340.58

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Solution

The fourth proportional to 3,288.38, 4,934.84 and 1,340.58 is: 2,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.38 : 4,934.84 = 1,340.58 : x
  2. Step 2: Convert to fraction form
    3,288.38/4,934.84 = 1,340.58/x
  3. Step 3: Cross multiply
    3,288.38x = 4,934.84 × 1,340.58
  4. Step 4: Simplify right side
    3,288.38x = 6,615,547.81
  5. Step 5: Solve for x
    x = 6,615,547.81/3,288.38
  6. Step 6: Final answer
    x = 2,011.80

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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.