Home / 3,141.50-4,713.78-1,293.17

Finding the Fourth Proportional to 3,141.50, 4,713.78 and 1,293.17

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Solution

The fourth proportional to 3,141.50, 4,713.78 and 1,293.17 is: 1,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.50 : 4,713.78 = 1,293.17 : x
  2. Step 2: Convert to fraction form
    3,141.50/4,713.78 = 1,293.17/x
  3. Step 3: Cross multiply
    3,141.50x = 4,713.78 × 1,293.17
  4. Step 4: Simplify right side
    3,141.50x = 6,095,718.88
  5. Step 5: Solve for x
    x = 6,095,718.88/3,141.50
  6. Step 6: Final answer
    x = 1,940.38

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1.5x scale

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.