Home / 2,950.15-4,426.35-1,305.55

Finding the Fourth Proportional to 2,950.15, 4,426.35 and 1,305.55

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Solution

The fourth proportional to 2,950.15, 4,426.35 and 1,305.55 is: 1,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.15 : 4,426.35 = 1,305.55 : x
  2. Step 2: Convert to fraction form
    2,950.15/4,426.35 = 1,305.55/x
  3. Step 3: Cross multiply
    2,950.15x = 4,426.35 × 1,305.55
  4. Step 4: Simplify right side
    2,950.15x = 5,778,821.24
  5. Step 5: Solve for x
    x = 5,778,821.24/2,950.15
  6. Step 6: Final answer
    x = 1,958.82

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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.