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Finding the Fourth Proportional to 2,020.36, 3,030.59 and 634.05

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Solution

The fourth proportional to 2,020.36, 3,030.59 and 634.05 is: 951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.36 : 3,030.59 = 634.05 : x
  2. Step 2: Convert to fraction form
    2,020.36/3,030.59 = 634.05/x
  3. Step 3: Cross multiply
    2,020.36x = 3,030.59 × 634.05
  4. Step 4: Simplify right side
    2,020.36x = 1,921,545.59
  5. Step 5: Solve for x
    x = 1,921,545.59/2,020.36
  6. Step 6: Final answer
    x = 951.09

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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.