Home / 3,355.96-4,631.25-1,864.02

Finding the Fourth Proportional to 3,355.96, 4,631.25 and 1,864.02

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Solution

The fourth proportional to 3,355.96, 4,631.25 and 1,864.02 is: 2,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.96 : 4,631.25 = 1,864.02 : x
  2. Step 2: Convert to fraction form
    3,355.96/4,631.25 = 1,864.02/x
  3. Step 3: Cross multiply
    3,355.96x = 4,631.25 × 1,864.02
  4. Step 4: Simplify right side
    3,355.96x = 8,632,742.63
  5. Step 5: Solve for x
    x = 8,632,742.63/3,355.96
  6. Step 6: Final answer
    x = 2,572.36

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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.