Home / 2,022.19-3,030.97-788.93

Finding the Fourth Proportional to 2,022.19, 3,030.97 and 788.93

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Solution

The fourth proportional to 2,022.19, 3,030.97 and 788.93 is: 1,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.19 : 3,030.97 = 788.93 : x
  2. Step 2: Convert to fraction form
    2,022.19/3,030.97 = 788.93/x
  3. Step 3: Cross multiply
    2,022.19x = 3,030.97 × 788.93
  4. Step 4: Simplify right side
    2,022.19x = 2,391,227.40
  5. Step 5: Solve for x
    x = 2,391,227.40/2,022.19
  6. Step 6: Final answer
    x = 1,182.49

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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.