Home / 3,716.80-5,130.88-2,391.24

Finding the Fourth Proportional to 3,716.80, 5,130.88 and 2,391.24

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Solution

The fourth proportional to 3,716.80, 5,130.88 and 2,391.24 is: 3,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.80 : 5,130.88 = 2,391.24 : x
  2. Step 2: Convert to fraction form
    3,716.80/5,130.88 = 2,391.24/x
  3. Step 3: Cross multiply
    3,716.80x = 5,130.88 × 2,391.24
  4. Step 4: Simplify right side
    3,716.80x = 12,269,165.49
  5. Step 5: Solve for x
    x = 12,269,165.49/3,716.80
  6. Step 6: Final answer
    x = 3,301.00

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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.