Home / 2,509.24-3,767.31-1,277.48

Finding the Fourth Proportional to 2,509.24, 3,767.31 and 1,277.48

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Solution

The fourth proportional to 2,509.24, 3,767.31 and 1,277.48 is: 1,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.24 : 3,767.31 = 1,277.48 : x
  2. Step 2: Convert to fraction form
    2,509.24/3,767.31 = 1,277.48/x
  3. Step 3: Cross multiply
    2,509.24x = 3,767.31 × 1,277.48
  4. Step 4: Simplify right side
    2,509.24x = 4,812,658.47
  5. Step 5: Solve for x
    x = 4,812,658.47/2,509.24
  6. Step 6: Final answer
    x = 1,917.97

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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.