Home / 2,950.12-4,065.90-2,267.56

Finding the Fourth Proportional to 2,950.12, 4,065.90 and 2,267.56

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Solution

The fourth proportional to 2,950.12, 4,065.90 and 2,267.56 is: 3,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.12 : 4,065.90 = 2,267.56 : x
  2. Step 2: Convert to fraction form
    2,950.12/4,065.90 = 2,267.56/x
  3. Step 3: Cross multiply
    2,950.12x = 4,065.90 × 2,267.56
  4. Step 4: Simplify right side
    2,950.12x = 9,219,672.20
  5. Step 5: Solve for x
    x = 9,219,672.20/2,950.12
  6. Step 6: Final answer
    x = 3,125.19

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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.