Home / 3,113.92-4,297.26-1,716.58

Finding the Fourth Proportional to 3,113.92, 4,297.26 and 1,716.58

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Solution

The fourth proportional to 3,113.92, 4,297.26 and 1,716.58 is: 2,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.92 : 4,297.26 = 1,716.58 : x
  2. Step 2: Convert to fraction form
    3,113.92/4,297.26 = 1,716.58/x
  3. Step 3: Cross multiply
    3,113.92x = 4,297.26 × 1,716.58
  4. Step 4: Simplify right side
    3,113.92x = 7,376,590.57
  5. Step 5: Solve for x
    x = 7,376,590.57/3,113.92
  6. Step 6: Final answer
    x = 2,368.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.