Home / 2,509.05-3,767.03-1,277.29

Finding the Fourth Proportional to 2,509.05, 3,767.03 and 1,277.29

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Solution

The fourth proportional to 2,509.05, 3,767.03 and 1,277.29 is: 1,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.05 : 3,767.03 = 1,277.29 : x
  2. Step 2: Convert to fraction form
    2,509.05/3,767.03 = 1,277.29/x
  3. Step 3: Cross multiply
    2,509.05x = 3,767.03 × 1,277.29
  4. Step 4: Simplify right side
    2,509.05x = 4,811,592.86
  5. Step 5: Solve for x
    x = 4,811,592.86/2,509.05
  6. Step 6: Final answer
    x = 1,917.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.