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Finding the Fourth Proportional to 2,020.52, 3,030.77 and 559.67

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Solution

The fourth proportional to 2,020.52, 3,030.77 and 559.67 is: 839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.52 : 3,030.77 = 559.67 : x
  2. Step 2: Convert to fraction form
    2,020.52/3,030.77 = 559.67/x
  3. Step 3: Cross multiply
    2,020.52x = 3,030.77 × 559.67
  4. Step 4: Simplify right side
    2,020.52x = 1,696,213.09
  5. Step 5: Solve for x
    x = 1,696,213.09/2,020.52
  6. Step 6: Final answer
    x = 839.50

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1.5x scale

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.