Home / 3,017.50-4,527.13-1,286.30

Finding the Fourth Proportional to 3,017.50, 4,527.13 and 1,286.30

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Solution

The fourth proportional to 3,017.50, 4,527.13 and 1,286.30 is: 1,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.50 : 4,527.13 = 1,286.30 : x
  2. Step 2: Convert to fraction form
    3,017.50/4,527.13 = 1,286.30/x
  3. Step 3: Cross multiply
    3,017.50x = 4,527.13 × 1,286.30
  4. Step 4: Simplify right side
    3,017.50x = 5,823,247.32
  5. Step 5: Solve for x
    x = 5,823,247.32/3,017.50
  6. Step 6: Final answer
    x = 1,929.83

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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.