Home / 1,377.06-2,066.20-556.94

Finding the Fourth Proportional to 1,377.06, 2,066.20 and 556.94

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Solution

The fourth proportional to 1,377.06, 2,066.20 and 556.94 is: 835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.06 : 2,066.20 = 556.94 : x
  2. Step 2: Convert to fraction form
    1,377.06/2,066.20 = 556.94/x
  3. Step 3: Cross multiply
    1,377.06x = 2,066.20 × 556.94
  4. Step 4: Simplify right side
    1,377.06x = 1,150,736.31
  5. Step 5: Solve for x
    x = 1,150,736.31/1,377.06
  6. Step 6: Final answer
    x = 835.65

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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.