Home / 3,654.96-5,480.04-1,313.79

Finding the Fourth Proportional to 3,654.96, 5,480.04 and 1,313.79

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Solution

The fourth proportional to 3,654.96, 5,480.04 and 1,313.79 is: 1,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.96 : 5,480.04 = 1,313.79 : x
  2. Step 2: Convert to fraction form
    3,654.96/5,480.04 = 1,313.79/x
  3. Step 3: Cross multiply
    3,654.96x = 5,480.04 × 1,313.79
  4. Step 4: Simplify right side
    3,654.96x = 7,199,621.75
  5. Step 5: Solve for x
    x = 7,199,621.75/3,654.96
  6. Step 6: Final answer
    x = 1,969.82

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1.5x scale

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.