Home / 2,013.24-3,019.30-626.55

Finding the Fourth Proportional to 2,013.24, 3,019.30 and 626.55

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Solution

The fourth proportional to 2,013.24, 3,019.30 and 626.55 is: 939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.24 : 3,019.30 = 626.55 : x
  2. Step 2: Convert to fraction form
    2,013.24/3,019.30 = 626.55/x
  3. Step 3: Cross multiply
    2,013.24x = 3,019.30 × 626.55
  4. Step 4: Simplify right side
    2,013.24x = 1,891,742.42
  5. Step 5: Solve for x
    x = 1,891,742.42/2,013.24
  6. Step 6: Final answer
    x = 939.65

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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.