Home / 1,771.21-2,444.36-1,025.20

Finding the Fourth Proportional to 1,771.21, 2,444.36 and 1,025.20

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Solution

The fourth proportional to 1,771.21, 2,444.36 and 1,025.20 is: 1,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.21 : 2,444.36 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    1,771.21/2,444.36 = 1,025.20/x
  3. Step 3: Cross multiply
    1,771.21x = 2,444.36 × 1,025.20
  4. Step 4: Simplify right side
    1,771.21x = 2,505,957.87
  5. Step 5: Solve for x
    x = 2,505,957.87/1,771.21
  6. Step 6: Final answer
    x = 1,414.83

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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.