Home / 3,141.36-4,711.86-1,292.01

Finding the Fourth Proportional to 3,141.36, 4,711.86 and 1,292.01

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Solution

The fourth proportional to 3,141.36, 4,711.86 and 1,292.01 is: 1,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.36 : 4,711.86 = 1,292.01 : x
  2. Step 2: Convert to fraction form
    3,141.36/4,711.86 = 1,292.01/x
  3. Step 3: Cross multiply
    3,141.36x = 4,711.86 × 1,292.01
  4. Step 4: Simplify right side
    3,141.36x = 6,087,770.24
  5. Step 5: Solve for x
    x = 6,087,770.24/3,141.36
  6. Step 6: Final answer
    x = 1,937.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.