Home / 3,356.17-4,631.45-1,864.02

Finding the Fourth Proportional to 3,356.17, 4,631.45 and 1,864.02

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Solution

The fourth proportional to 3,356.17, 4,631.45 and 1,864.02 is: 2,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.17 : 4,631.45 = 1,864.02 : x
  2. Step 2: Convert to fraction form
    3,356.17/4,631.45 = 1,864.02/x
  3. Step 3: Cross multiply
    3,356.17x = 4,631.45 × 1,864.02
  4. Step 4: Simplify right side
    3,356.17x = 8,633,115.43
  5. Step 5: Solve for x
    x = 8,633,115.43/3,356.17
  6. Step 6: Final answer
    x = 2,572.31

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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.