Home / 3,570.76-5,356.56-1,231.20

Finding the Fourth Proportional to 3,570.76, 5,356.56 and 1,231.20

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Solution

The fourth proportional to 3,570.76, 5,356.56 and 1,231.20 is: 1,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.76 : 5,356.56 = 1,231.20 : x
  2. Step 2: Convert to fraction form
    3,570.76/5,356.56 = 1,231.20/x
  3. Step 3: Cross multiply
    3,570.76x = 5,356.56 × 1,231.20
  4. Step 4: Simplify right side
    3,570.76x = 6,594,996.67
  5. Step 5: Solve for x
    x = 6,594,996.67/3,570.76
  6. Step 6: Final answer
    x = 1,846.94

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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.