Home / 2,920.69-4,374.43-2,047.08

Finding the Fourth Proportional to 2,920.69, 4,374.43 and 2,047.08

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Solution

The fourth proportional to 2,920.69, 4,374.43 and 2,047.08 is: 3,065.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.69 : 4,374.43 = 2,047.08 : x
  2. Step 2: Convert to fraction form
    2,920.69/4,374.43 = 2,047.08/x
  3. Step 3: Cross multiply
    2,920.69x = 4,374.43 × 2,047.08
  4. Step 4: Simplify right side
    2,920.69x = 8,954,799.48
  5. Step 5: Solve for x
    x = 8,954,799.48/2,920.69
  6. Step 6: Final answer
    x = 3,065.99

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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.