Home / 3,356.67-4,631.87-1,864.56

Finding the Fourth Proportional to 3,356.67, 4,631.87 and 1,864.56

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Solution

The fourth proportional to 3,356.67, 4,631.87 and 1,864.56 is: 2,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.67 : 4,631.87 = 1,864.56 : x
  2. Step 2: Convert to fraction form
    3,356.67/4,631.87 = 1,864.56/x
  3. Step 3: Cross multiply
    3,356.67x = 4,631.87 × 1,864.56
  4. Step 4: Simplify right side
    3,356.67x = 8,636,390.20
  5. Step 5: Solve for x
    x = 8,636,390.20/3,356.67
  6. Step 6: Final answer
    x = 2,572.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.