Home / 2,730.84-4,092.21-1,411.62

Finding the Fourth Proportional to 2,730.84, 4,092.21 and 1,411.62

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Solution

The fourth proportional to 2,730.84, 4,092.21 and 1,411.62 is: 2,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.84 : 4,092.21 = 1,411.62 : x
  2. Step 2: Convert to fraction form
    2,730.84/4,092.21 = 1,411.62/x
  3. Step 3: Cross multiply
    2,730.84x = 4,092.21 × 1,411.62
  4. Step 4: Simplify right side
    2,730.84x = 5,776,645.48
  5. Step 5: Solve for x
    x = 5,776,645.48/2,730.84
  6. Step 6: Final answer
    x = 2,115.34

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1.5x scale

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.