Home / 2,013.20-3,020.06-552.40

Finding the Fourth Proportional to 2,013.20, 3,020.06 and 552.40

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Solution

The fourth proportional to 2,013.20, 3,020.06 and 552.40 is: 828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.20 : 3,020.06 = 552.40 : x
  2. Step 2: Convert to fraction form
    2,013.20/3,020.06 = 552.40/x
  3. Step 3: Cross multiply
    2,013.20x = 3,020.06 × 552.40
  4. Step 4: Simplify right side
    2,013.20x = 1,668,281.14
  5. Step 5: Solve for x
    x = 1,668,281.14/2,013.20
  6. Step 6: Final answer
    x = 828.67

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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.