Home / 2,219.72-3,064.48-1,474.70

Finding the Fourth Proportional to 2,219.72, 3,064.48 and 1,474.70

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Solution

The fourth proportional to 2,219.72, 3,064.48 and 1,474.70 is: 2,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.72 : 3,064.48 = 1,474.70 : x
  2. Step 2: Convert to fraction form
    2,219.72/3,064.48 = 1,474.70/x
  3. Step 3: Cross multiply
    2,219.72x = 3,064.48 × 1,474.70
  4. Step 4: Simplify right side
    2,219.72x = 4,519,188.66
  5. Step 5: Solve for x
    x = 4,519,188.66/2,219.72
  6. Step 6: Final answer
    x = 2,035.93

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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.