Home / 3,113.25-4,296.29-1,716

Finding the Fourth Proportional to 3,113.25, 4,296.29 and 1,716

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Solution

The fourth proportional to 3,113.25, 4,296.29 and 1,716 is: 2,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.25 : 4,296.29 = 1,716 : x
  2. Step 2: Convert to fraction form
    3,113.25/4,296.29 = 1,716/x
  3. Step 3: Cross multiply
    3,113.25x = 4,296.29 × 1,716
  4. Step 4: Simplify right side
    3,113.25x = 7,372,425.06
  5. Step 5: Solve for x
    x = 7,372,425.06/3,113.25
  6. Step 6: Final answer
    x = 2,368.08

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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.