Home / 2,964.56-4,088.45-2,021.87

Finding the Fourth Proportional to 2,964.56, 4,088.45 and 2,021.87

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Solution

The fourth proportional to 2,964.56, 4,088.45 and 2,021.87 is: 2,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.56 : 4,088.45 = 2,021.87 : x
  2. Step 2: Convert to fraction form
    2,964.56/4,088.45 = 2,021.87/x
  3. Step 3: Cross multiply
    2,964.56x = 4,088.45 × 2,021.87
  4. Step 4: Simplify right side
    2,964.56x = 8,266,329.68
  5. Step 5: Solve for x
    x = 8,266,329.68/2,964.56
  6. Step 6: Final answer
    x = 2,788.39

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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.