Home / 3,264.64-4,898.56-1,317.12

Finding the Fourth Proportional to 3,264.64, 4,898.56 and 1,317.12

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Solution

The fourth proportional to 3,264.64, 4,898.56 and 1,317.12 is: 1,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.64 : 4,898.56 = 1,317.12 : x
  2. Step 2: Convert to fraction form
    3,264.64/4,898.56 = 1,317.12/x
  3. Step 3: Cross multiply
    3,264.64x = 4,898.56 × 1,317.12
  4. Step 4: Simplify right side
    3,264.64x = 6,451,991.35
  5. Step 5: Solve for x
    x = 6,451,991.35/3,264.64
  6. Step 6: Final answer
    x = 1,976.33

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1.5x scale

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.