Home / 2,013.13-3,019.23-552.40

Finding the Fourth Proportional to 2,013.13, 3,019.23 and 552.40

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Solution

The fourth proportional to 2,013.13, 3,019.23 and 552.40 is: 828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.13 : 3,019.23 = 552.40 : x
  2. Step 2: Convert to fraction form
    2,013.13/3,019.23 = 552.40/x
  3. Step 3: Cross multiply
    2,013.13x = 3,019.23 × 552.40
  4. Step 4: Simplify right side
    2,013.13x = 1,667,822.65
  5. Step 5: Solve for x
    x = 1,667,822.65/2,013.13
  6. Step 6: Final answer
    x = 828.47

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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.