Home / 2,020.13-3,030.35-559.28

Finding the Fourth Proportional to 2,020.13, 3,030.35 and 559.28

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Solution

The fourth proportional to 2,020.13, 3,030.35 and 559.28 is: 838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.13 : 3,030.35 = 559.28 : x
  2. Step 2: Convert to fraction form
    2,020.13/3,030.35 = 559.28/x
  3. Step 3: Cross multiply
    2,020.13x = 3,030.35 × 559.28
  4. Step 4: Simplify right side
    2,020.13x = 1,694,814.15
  5. Step 5: Solve for x
    x = 1,694,814.15/2,020.13
  6. Step 6: Final answer
    x = 838.96

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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.