Home / 3,631.56-5,445.45-1,783.02

Finding the Fourth Proportional to 3,631.56, 5,445.45 and 1,783.02

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Solution

The fourth proportional to 3,631.56, 5,445.45 and 1,783.02 is: 2,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.56 : 5,445.45 = 1,783.02 : x
  2. Step 2: Convert to fraction form
    3,631.56/5,445.45 = 1,783.02/x
  3. Step 3: Cross multiply
    3,631.56x = 5,445.45 × 1,783.02
  4. Step 4: Simplify right side
    3,631.56x = 9,709,346.26
  5. Step 5: Solve for x
    x = 9,709,346.26/3,631.56
  6. Step 6: Final answer
    x = 2,673.60

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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.