Home / 2,022.19-2,788.65-1,579.93

Finding the Fourth Proportional to 2,022.19, 2,788.65 and 1,579.93

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Solution

The fourth proportional to 2,022.19, 2,788.65 and 1,579.93 is: 2,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.19 : 2,788.65 = 1,579.93 : x
  2. Step 2: Convert to fraction form
    2,022.19/2,788.65 = 1,579.93/x
  3. Step 3: Cross multiply
    2,022.19x = 2,788.65 × 1,579.93
  4. Step 4: Simplify right side
    2,022.19x = 4,405,871.79
  5. Step 5: Solve for x
    x = 4,405,871.79/2,022.19
  6. Step 6: Final answer
    x = 2,178.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.