Home / 3,608.85-5,412.47-1,659.18

Finding the Fourth Proportional to 3,608.85, 5,412.47 and 1,659.18

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Solution

The fourth proportional to 3,608.85, 5,412.47 and 1,659.18 is: 2,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.85 : 5,412.47 = 1,659.18 : x
  2. Step 2: Convert to fraction form
    3,608.85/5,412.47 = 1,659.18/x
  3. Step 3: Cross multiply
    3,608.85x = 5,412.47 × 1,659.18
  4. Step 4: Simplify right side
    3,608.85x = 8,980,253.68
  5. Step 5: Solve for x
    x = 8,980,253.68/3,608.85
  6. Step 6: Final answer
    x = 2,488.40

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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.