Home / 3,113.25-4,296.38-1,716.09

Finding the Fourth Proportional to 3,113.25, 4,296.38 and 1,716.09

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Solution

The fourth proportional to 3,113.25, 4,296.38 and 1,716.09 is: 2,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.25 : 4,296.38 = 1,716.09 : x
  2. Step 2: Convert to fraction form
    3,113.25/4,296.38 = 1,716.09/x
  3. Step 3: Cross multiply
    3,113.25x = 4,296.38 × 1,716.09
  4. Step 4: Simplify right side
    3,113.25x = 7,372,966.17
  5. Step 5: Solve for x
    x = 7,372,966.17/3,113.25
  6. Step 6: Final answer
    x = 2,368.25

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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.