Home / 3,570.74-5,356.06-1,377.94

Finding the Fourth Proportional to 3,570.74, 5,356.06 and 1,377.94

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Solution

The fourth proportional to 3,570.74, 5,356.06 and 1,377.94 is: 2,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.74 : 5,356.06 = 1,377.94 : x
  2. Step 2: Convert to fraction form
    3,570.74/5,356.06 = 1,377.94/x
  3. Step 3: Cross multiply
    3,570.74x = 5,356.06 × 1,377.94
  4. Step 4: Simplify right side
    3,570.74x = 7,380,329.32
  5. Step 5: Solve for x
    x = 7,380,329.32/3,570.74
  6. Step 6: Final answer
    x = 2,066.89

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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.