Home / 3,508.84-5,264.28-1,317.74

Finding the Fourth Proportional to 3,508.84, 5,264.28 and 1,317.74

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Solution

The fourth proportional to 3,508.84, 5,264.28 and 1,317.74 is: 1,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.84 : 5,264.28 = 1,317.74 : x
  2. Step 2: Convert to fraction form
    3,508.84/5,264.28 = 1,317.74/x
  3. Step 3: Cross multiply
    3,508.84x = 5,264.28 × 1,317.74
  4. Step 4: Simplify right side
    3,508.84x = 6,936,952.33
  5. Step 5: Solve for x
    x = 6,936,952.33/3,508.84
  6. Step 6: Final answer
    x = 1,976.99

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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.