Home / 2,003.18-2,749.68-1,777.19

Finding the Fourth Proportional to 2,003.18, 2,749.68 and 1,777.19

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Solution

The fourth proportional to 2,003.18, 2,749.68 and 1,777.19 is: 2,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.18 : 2,749.68 = 1,777.19 : x
  2. Step 2: Convert to fraction form
    2,003.18/2,749.68 = 1,777.19/x
  3. Step 3: Cross multiply
    2,003.18x = 2,749.68 × 1,777.19
  4. Step 4: Simplify right side
    2,003.18x = 4,886,694.91
  5. Step 5: Solve for x
    x = 4,886,694.91/2,003.18
  6. Step 6: Final answer
    x = 2,439.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.