Home / 3,110.88-4,292.64-1,713.60

Finding the Fourth Proportional to 3,110.88, 4,292.64 and 1,713.60

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Solution

The fourth proportional to 3,110.88, 4,292.64 and 1,713.60 is: 2,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.88 : 4,292.64 = 1,713.60 : x
  2. Step 2: Convert to fraction form
    3,110.88/4,292.64 = 1,713.60/x
  3. Step 3: Cross multiply
    3,110.88x = 4,292.64 × 1,713.60
  4. Step 4: Simplify right side
    3,110.88x = 7,355,867.90
  5. Step 5: Solve for x
    x = 7,355,867.90/3,110.88
  6. Step 6: Final answer
    x = 2,364.56

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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.