Home / 2,020.48-3,030.56-559.66

Finding the Fourth Proportional to 2,020.48, 3,030.56 and 559.66

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Solution

The fourth proportional to 2,020.48, 3,030.56 and 559.66 is: 839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.48 : 3,030.56 = 559.66 : x
  2. Step 2: Convert to fraction form
    2,020.48/3,030.56 = 559.66/x
  3. Step 3: Cross multiply
    2,020.48x = 3,030.56 × 559.66
  4. Step 4: Simplify right side
    2,020.48x = 1,696,083.21
  5. Step 5: Solve for x
    x = 1,696,083.21/2,020.48
  6. Step 6: Final answer
    x = 839.45

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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.