Home / 2,211.15-3,050.84-1,424.25

Finding the Fourth Proportional to 2,211.15, 3,050.84 and 1,424.25

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Solution

The fourth proportional to 2,211.15, 3,050.84 and 1,424.25 is: 1,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.15 : 3,050.84 = 1,424.25 : x
  2. Step 2: Convert to fraction form
    2,211.15/3,050.84 = 1,424.25/x
  3. Step 3: Cross multiply
    2,211.15x = 3,050.84 × 1,424.25
  4. Step 4: Simplify right side
    2,211.15x = 4,345,151.75
  5. Step 5: Solve for x
    x = 4,345,151.75/2,211.15
  6. Step 6: Final answer
    x = 1,965.11

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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.