Home / 3,206.52-4,808.28-1,647.30

Finding the Fourth Proportional to 3,206.52, 4,808.28 and 1,647.30

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Solution

The fourth proportional to 3,206.52, 4,808.28 and 1,647.30 is: 2,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.52 : 4,808.28 = 1,647.30 : x
  2. Step 2: Convert to fraction form
    3,206.52/4,808.28 = 1,647.30/x
  3. Step 3: Cross multiply
    3,206.52x = 4,808.28 × 1,647.30
  4. Step 4: Simplify right side
    3,206.52x = 7,920,679.64
  5. Step 5: Solve for x
    x = 7,920,679.64/3,206.52
  6. Step 6: Final answer
    x = 2,470.18

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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.