Home / 2,226.15-3,070.44-1,439.37

Finding the Fourth Proportional to 2,226.15, 3,070.44 and 1,439.37

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Solution

The fourth proportional to 2,226.15, 3,070.44 and 1,439.37 is: 1,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.15 : 3,070.44 = 1,439.37 : x
  2. Step 2: Convert to fraction form
    2,226.15/3,070.44 = 1,439.37/x
  3. Step 3: Cross multiply
    2,226.15x = 3,070.44 × 1,439.37
  4. Step 4: Simplify right side
    2,226.15x = 4,419,499.22
  5. Step 5: Solve for x
    x = 4,419,499.22/2,226.15
  6. Step 6: Final answer
    x = 1,985.27

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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.