Home / 2,020.23-3,030.41-559.40

Finding the Fourth Proportional to 2,020.23, 3,030.41 and 559.40

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Solution

The fourth proportional to 2,020.23, 3,030.41 and 559.40 is: 839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.23 : 3,030.41 = 559.40 : x
  2. Step 2: Convert to fraction form
    2,020.23/3,030.41 = 559.40/x
  3. Step 3: Cross multiply
    2,020.23x = 3,030.41 × 559.40
  4. Step 4: Simplify right side
    2,020.23x = 1,695,197.60
  5. Step 5: Solve for x
    x = 1,695,197.60/2,020.23
  6. Step 6: Final answer
    x = 839.11

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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.