Home / 2,352.38-3,528.68-1,311.60

Finding the Fourth Proportional to 2,352.38, 3,528.68 and 1,311.60

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Solution

The fourth proportional to 2,352.38, 3,528.68 and 1,311.60 is: 1,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.38 : 3,528.68 = 1,311.60 : x
  2. Step 2: Convert to fraction form
    2,352.38/3,528.68 = 1,311.60/x
  3. Step 3: Cross multiply
    2,352.38x = 3,528.68 × 1,311.60
  4. Step 4: Simplify right side
    2,352.38x = 4,628,216.69
  5. Step 5: Solve for x
    x = 4,628,216.69/2,352.38
  6. Step 6: Final answer
    x = 1,967.46

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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.