Home / 3,113.67-4,296.74-1,716.33

Finding the Fourth Proportional to 3,113.67, 4,296.74 and 1,716.33

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Solution

The fourth proportional to 3,113.67, 4,296.74 and 1,716.33 is: 2,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.67 : 4,296.74 = 1,716.33 : x
  2. Step 2: Convert to fraction form
    3,113.67/4,296.74 = 1,716.33/x
  3. Step 3: Cross multiply
    3,113.67x = 4,296.74 × 1,716.33
  4. Step 4: Simplify right side
    3,113.67x = 7,374,615.18
  5. Step 5: Solve for x
    x = 7,374,615.18/3,113.67
  6. Step 6: Final answer
    x = 2,368.46

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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.