Home / 3,110.40-4,292.34-1,713.15

Finding the Fourth Proportional to 3,110.40, 4,292.34 and 1,713.15

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Solution

The fourth proportional to 3,110.40, 4,292.34 and 1,713.15 is: 2,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.40 : 4,292.34 = 1,713.15 : x
  2. Step 2: Convert to fraction form
    3,110.40/4,292.34 = 1,713.15/x
  3. Step 3: Cross multiply
    3,110.40x = 4,292.34 × 1,713.15
  4. Step 4: Simplify right side
    3,110.40x = 7,353,422.27
  5. Step 5: Solve for x
    x = 7,353,422.27/3,110.40
  6. Step 6: Final answer
    x = 2,364.14

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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.