Home / 3,145.14-4,336.98-2,095.38

Finding the Fourth Proportional to 3,145.14, 4,336.98 and 2,095.38

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Solution

The fourth proportional to 3,145.14, 4,336.98 and 2,095.38 is: 2,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.14 : 4,336.98 = 2,095.38 : x
  2. Step 2: Convert to fraction form
    3,145.14/4,336.98 = 2,095.38/x
  3. Step 3: Cross multiply
    3,145.14x = 4,336.98 × 2,095.38
  4. Step 4: Simplify right side
    3,145.14x = 9,087,621.15
  5. Step 5: Solve for x
    x = 9,087,621.15/3,145.14
  6. Step 6: Final answer
    x = 2,889.42

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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.