Home / 2,781.54-4,171.23-1,026.27

Finding the Fourth Proportional to 2,781.54, 4,171.23 and 1,026.27

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Solution

The fourth proportional to 2,781.54, 4,171.23 and 1,026.27 is: 1,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.54 : 4,171.23 = 1,026.27 : x
  2. Step 2: Convert to fraction form
    2,781.54/4,171.23 = 1,026.27/x
  3. Step 3: Cross multiply
    2,781.54x = 4,171.23 × 1,026.27
  4. Step 4: Simplify right side
    2,781.54x = 4,280,808.21
  5. Step 5: Solve for x
    x = 4,280,808.21/2,781.54
  6. Step 6: Final answer
    x = 1,539.01

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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.