Home / 3,264.32-4,894.56-1,317.44

Finding the Fourth Proportional to 3,264.32, 4,894.56 and 1,317.44

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Solution

The fourth proportional to 3,264.32, 4,894.56 and 1,317.44 is: 1,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.32 : 4,894.56 = 1,317.44 : x
  2. Step 2: Convert to fraction form
    3,264.32/4,894.56 = 1,317.44/x
  3. Step 3: Cross multiply
    3,264.32x = 4,894.56 × 1,317.44
  4. Step 4: Simplify right side
    3,264.32x = 6,448,289.13
  5. Step 5: Solve for x
    x = 6,448,289.13/3,264.32
  6. Step 6: Final answer
    x = 1,975.39

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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.