Home / 3,073.27-4,608.61-1,686.21

Finding the Fourth Proportional to 3,073.27, 4,608.61 and 1,686.21

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Solution

The fourth proportional to 3,073.27, 4,608.61 and 1,686.21 is: 2,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.27 : 4,608.61 = 1,686.21 : x
  2. Step 2: Convert to fraction form
    3,073.27/4,608.61 = 1,686.21/x
  3. Step 3: Cross multiply
    3,073.27x = 4,608.61 × 1,686.21
  4. Step 4: Simplify right side
    3,073.27x = 7,771,084.27
  5. Step 5: Solve for x
    x = 7,771,084.27/3,073.27
  6. Step 6: Final answer
    x = 2,528.60

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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.