Home / 1,771.19-2,444.09-1,025.20

Finding the Fourth Proportional to 1,771.19, 2,444.09 and 1,025.20

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Solution

The fourth proportional to 1,771.19, 2,444.09 and 1,025.20 is: 1,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.19 : 2,444.09 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    1,771.19/2,444.09 = 1,025.20/x
  3. Step 3: Cross multiply
    1,771.19x = 2,444.09 × 1,025.20
  4. Step 4: Simplify right side
    1,771.19x = 2,505,673.90
  5. Step 5: Solve for x
    x = 2,505,673.90/1,771.19
  6. Step 6: Final answer
    x = 1,414.68

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Half scale
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Double scale
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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.