Home / 3,019.07-4,528.61-827.64

Finding the Fourth Proportional to 3,019.07, 4,528.61 and 827.64

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Solution

The fourth proportional to 3,019.07, 4,528.61 and 827.64 is: 1,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.07 : 4,528.61 = 827.64 : x
  2. Step 2: Convert to fraction form
    3,019.07/4,528.61 = 827.64/x
  3. Step 3: Cross multiply
    3,019.07x = 4,528.61 × 827.64
  4. Step 4: Simplify right side
    3,019.07x = 3,748,058.78
  5. Step 5: Solve for x
    x = 3,748,058.78/3,019.07
  6. Step 6: Final answer
    x = 1,241.46

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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.