Home / 2,550.01-3,519.20-1,431.06

Finding the Fourth Proportional to 2,550.01, 3,519.20 and 1,431.06

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Solution

The fourth proportional to 2,550.01, 3,519.20 and 1,431.06 is: 1,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.01 : 3,519.20 = 1,431.06 : x
  2. Step 2: Convert to fraction form
    2,550.01/3,519.20 = 1,431.06/x
  3. Step 3: Cross multiply
    2,550.01x = 3,519.20 × 1,431.06
  4. Step 4: Simplify right side
    2,550.01x = 5,036,186.35
  5. Step 5: Solve for x
    x = 5,036,186.35/2,550.01
  6. Step 6: Final answer
    x = 1,974.97

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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.