Home / 3,325.57-4,987.88-1,324.26

Finding the Fourth Proportional to 3,325.57, 4,987.88 and 1,324.26

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Solution

The fourth proportional to 3,325.57, 4,987.88 and 1,324.26 is: 1,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.57 : 4,987.88 = 1,324.26 : x
  2. Step 2: Convert to fraction form
    3,325.57/4,987.88 = 1,324.26/x
  3. Step 3: Cross multiply
    3,325.57x = 4,987.88 × 1,324.26
  4. Step 4: Simplify right side
    3,325.57x = 6,605,243.35
  5. Step 5: Solve for x
    x = 6,605,243.35/3,325.57
  6. Step 6: Final answer
    x = 1,986.20

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1.5x scale

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.