Home / 3,264.68-4,901.88-1,320.68

Finding the Fourth Proportional to 3,264.68, 4,901.88 and 1,320.68

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Solution

The fourth proportional to 3,264.68, 4,901.88 and 1,320.68 is: 1,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.68 : 4,901.88 = 1,320.68 : x
  2. Step 2: Convert to fraction form
    3,264.68/4,901.88 = 1,320.68/x
  3. Step 3: Cross multiply
    3,264.68x = 4,901.88 × 1,320.68
  4. Step 4: Simplify right side
    3,264.68x = 6,473,814.88
  5. Step 5: Solve for x
    x = 6,473,814.88/3,264.68
  6. Step 6: Final answer
    x = 1,982.99

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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.