Home / 2,020.50-3,030.74-633.84

Finding the Fourth Proportional to 2,020.50, 3,030.74 and 633.84

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Solution

The fourth proportional to 2,020.50, 3,030.74 and 633.84 is: 950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.50 : 3,030.74 = 633.84 : x
  2. Step 2: Convert to fraction form
    2,020.50/3,030.74 = 633.84/x
  3. Step 3: Cross multiply
    2,020.50x = 3,030.74 × 633.84
  4. Step 4: Simplify right side
    2,020.50x = 1,921,004.24
  5. Step 5: Solve for x
    x = 1,921,004.24/2,020.50
  6. Step 6: Final answer
    x = 950.76

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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.