Home / 2,219.14-3,065.03-1,471.80

Finding the Fourth Proportional to 2,219.14, 3,065.03 and 1,471.80

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Solution

The fourth proportional to 2,219.14, 3,065.03 and 1,471.80 is: 2,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.14 : 3,065.03 = 1,471.80 : x
  2. Step 2: Convert to fraction form
    2,219.14/3,065.03 = 1,471.80/x
  3. Step 3: Cross multiply
    2,219.14x = 3,065.03 × 1,471.80
  4. Step 4: Simplify right side
    2,219.14x = 4,511,111.15
  5. Step 5: Solve for x
    x = 4,511,111.15/2,219.14
  6. Step 6: Final answer
    x = 2,032.82

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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.