Home / 1,377.18-2,066.58-1,270.26

Finding the Fourth Proportional to 1,377.18, 2,066.58 and 1,270.26

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Solution

The fourth proportional to 1,377.18, 2,066.58 and 1,270.26 is: 1,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.18 : 2,066.58 = 1,270.26 : x
  2. Step 2: Convert to fraction form
    1,377.18/2,066.58 = 1,270.26/x
  3. Step 3: Cross multiply
    1,377.18x = 2,066.58 × 1,270.26
  4. Step 4: Simplify right side
    1,377.18x = 2,625,093.91
  5. Step 5: Solve for x
    x = 2,625,093.91/1,377.18
  6. Step 6: Final answer
    x = 1,906.14

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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.