Home / 2,272.01-3,135.11-1,277.19

Finding the Fourth Proportional to 2,272.01, 3,135.11 and 1,277.19

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Solution

The fourth proportional to 2,272.01, 3,135.11 and 1,277.19 is: 1,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.01 : 3,135.11 = 1,277.19 : x
  2. Step 2: Convert to fraction form
    2,272.01/3,135.11 = 1,277.19/x
  3. Step 3: Cross multiply
    2,272.01x = 3,135.11 × 1,277.19
  4. Step 4: Simplify right side
    2,272.01x = 4,004,124.75
  5. Step 5: Solve for x
    x = 4,004,124.75/2,272.01
  6. Step 6: Final answer
    x = 1,762.37

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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.