Home / 2,025.99-2,794.01-1,278.65

Finding the Fourth Proportional to 2,025.99, 2,794.01 and 1,278.65

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Solution

The fourth proportional to 2,025.99, 2,794.01 and 1,278.65 is: 1,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.99 : 2,794.01 = 1,278.65 : x
  2. Step 2: Convert to fraction form
    2,025.99/2,794.01 = 1,278.65/x
  3. Step 3: Cross multiply
    2,025.99x = 2,794.01 × 1,278.65
  4. Step 4: Simplify right side
    2,025.99x = 3,572,561.48
  5. Step 5: Solve for x
    x = 3,572,561.48/2,025.99
  6. Step 6: Final answer
    x = 1,763.37

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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.