Home / 2,950.43-4,071.16-1,889.12

Finding the Fourth Proportional to 2,950.43, 4,071.16 and 1,889.12

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Solution

The fourth proportional to 2,950.43, 4,071.16 and 1,889.12 is: 2,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.43 : 4,071.16 = 1,889.12 : x
  2. Step 2: Convert to fraction form
    2,950.43/4,071.16 = 1,889.12/x
  3. Step 3: Cross multiply
    2,950.43x = 4,071.16 × 1,889.12
  4. Step 4: Simplify right side
    2,950.43x = 7,690,922.32
  5. Step 5: Solve for x
    x = 7,690,922.32/2,950.43
  6. Step 6: Final answer
    x = 2,606.72

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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.