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Finding the Fourth Proportional to 3,363.69, 4,642.39 and 2,019.39

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Solution

The fourth proportional to 3,363.69, 4,642.39 and 2,019.39 is: 2,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.69 : 4,642.39 = 2,019.39 : x
  2. Step 2: Convert to fraction form
    3,363.69/4,642.39 = 2,019.39/x
  3. Step 3: Cross multiply
    3,363.69x = 4,642.39 × 2,019.39
  4. Step 4: Simplify right side
    3,363.69x = 9,374,802.50
  5. Step 5: Solve for x
    x = 9,374,802.50/3,363.69
  6. Step 6: Final answer
    x = 2,787.06

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1.5x scale

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.