Home / 1,994.69-2,753.66-1,545.55

Finding the Fourth Proportional to 1,994.69, 2,753.66 and 1,545.55

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Solution

The fourth proportional to 1,994.69, 2,753.66 and 1,545.55 is: 2,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.69 : 2,753.66 = 1,545.55 : x
  2. Step 2: Convert to fraction form
    1,994.69/2,753.66 = 1,545.55/x
  3. Step 3: Cross multiply
    1,994.69x = 2,753.66 × 1,545.55
  4. Step 4: Simplify right side
    1,994.69x = 4,255,929.96
  5. Step 5: Solve for x
    x = 4,255,929.96/1,994.69
  6. Step 6: Final answer
    x = 2,133.64

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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.