Home / 3,110.46-4,292.36-1,713.20

Finding the Fourth Proportional to 3,110.46, 4,292.36 and 1,713.20

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Solution

The fourth proportional to 3,110.46, 4,292.36 and 1,713.20 is: 2,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.46 : 4,292.36 = 1,713.20 : x
  2. Step 2: Convert to fraction form
    3,110.46/4,292.36 = 1,713.20/x
  3. Step 3: Cross multiply
    3,110.46x = 4,292.36 × 1,713.20
  4. Step 4: Simplify right side
    3,110.46x = 7,353,671.15
  5. Step 5: Solve for x
    x = 7,353,671.15/3,110.46
  6. Step 6: Final answer
    x = 2,364.17

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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.