Home / 3,246.18-4,869.24-1,398.60

Finding the Fourth Proportional to 3,246.18, 4,869.24 and 1,398.60

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Solution

The fourth proportional to 3,246.18, 4,869.24 and 1,398.60 is: 2,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.18 : 4,869.24 = 1,398.60 : x
  2. Step 2: Convert to fraction form
    3,246.18/4,869.24 = 1,398.60/x
  3. Step 3: Cross multiply
    3,246.18x = 4,869.24 × 1,398.60
  4. Step 4: Simplify right side
    3,246.18x = 6,810,119.06
  5. Step 5: Solve for x
    x = 6,810,119.06/3,246.18
  6. Step 6: Final answer
    x = 2,097.89

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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.