Home / 1,771.97-2,445.03-1,025.78

Finding the Fourth Proportional to 1,771.97, 2,445.03 and 1,025.78

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Solution

The fourth proportional to 1,771.97, 2,445.03 and 1,025.78 is: 1,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.97 : 2,445.03 = 1,025.78 : x
  2. Step 2: Convert to fraction form
    1,771.97/2,445.03 = 1,025.78/x
  3. Step 3: Cross multiply
    1,771.97x = 2,445.03 × 1,025.78
  4. Step 4: Simplify right side
    1,771.97x = 2,508,050.65
  5. Step 5: Solve for x
    x = 2,508,050.65/1,771.97
  6. Step 6: Final answer
    x = 1,415.41

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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.