Home / 3,113.75-4,297.07-1,716.59

Finding the Fourth Proportional to 3,113.75, 4,297.07 and 1,716.59

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Solution

The fourth proportional to 3,113.75, 4,297.07 and 1,716.59 is: 2,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.75 : 4,297.07 = 1,716.59 : x
  2. Step 2: Convert to fraction form
    3,113.75/4,297.07 = 1,716.59/x
  3. Step 3: Cross multiply
    3,113.75x = 4,297.07 × 1,716.59
  4. Step 4: Simplify right side
    3,113.75x = 7,376,307.39
  5. Step 5: Solve for x
    x = 7,376,307.39/3,113.75
  6. Step 6: Final answer
    x = 2,368.95

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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.