Home / 3,356.48-4,631.94-1,864.40

Finding the Fourth Proportional to 3,356.48, 4,631.94 and 1,864.40

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Solution

The fourth proportional to 3,356.48, 4,631.94 and 1,864.40 is: 2,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.48 : 4,631.94 = 1,864.40 : x
  2. Step 2: Convert to fraction form
    3,356.48/4,631.94 = 1,864.40/x
  3. Step 3: Cross multiply
    3,356.48x = 4,631.94 × 1,864.40
  4. Step 4: Simplify right side
    3,356.48x = 8,635,788.94
  5. Step 5: Solve for x
    x = 8,635,788.94/3,356.48
  6. Step 6: Final answer
    x = 2,572.87

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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.