Home / 3,508.87-5,262.58-1,317.55

Finding the Fourth Proportional to 3,508.87, 5,262.58 and 1,317.55

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Solution

The fourth proportional to 3,508.87, 5,262.58 and 1,317.55 is: 1,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.87 : 5,262.58 = 1,317.55 : x
  2. Step 2: Convert to fraction form
    3,508.87/5,262.58 = 1,317.55/x
  3. Step 3: Cross multiply
    3,508.87x = 5,262.58 × 1,317.55
  4. Step 4: Simplify right side
    3,508.87x = 6,933,712.28
  5. Step 5: Solve for x
    x = 6,933,712.28/3,508.87
  6. Step 6: Final answer
    x = 1,976.05

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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.