Home / 3,246.12-4,869.60-1,601.40

Finding the Fourth Proportional to 3,246.12, 4,869.60 and 1,601.40

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Solution

The fourth proportional to 3,246.12, 4,869.60 and 1,601.40 is: 2,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.12 : 4,869.60 = 1,601.40 : x
  2. Step 2: Convert to fraction form
    3,246.12/4,869.60 = 1,601.40/x
  3. Step 3: Cross multiply
    3,246.12x = 4,869.60 × 1,601.40
  4. Step 4: Simplify right side
    3,246.12x = 7,798,177.44
  5. Step 5: Solve for x
    x = 7,798,177.44/3,246.12
  6. Step 6: Final answer
    x = 2,402.31

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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.