Home / 3,243.84-4,867.08-1,511.40

Finding the Fourth Proportional to 3,243.84, 4,867.08 and 1,511.40

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Solution

The fourth proportional to 3,243.84, 4,867.08 and 1,511.40 is: 2,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.84 : 4,867.08 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    3,243.84/4,867.08 = 1,511.40/x
  3. Step 3: Cross multiply
    3,243.84x = 4,867.08 × 1,511.40
  4. Step 4: Simplify right side
    3,243.84x = 7,356,104.71
  5. Step 5: Solve for x
    x = 7,356,104.71/3,243.84
  6. Step 6: Final answer
    x = 2,267.72

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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.