Home / 2,730.99-4,098.30-1,415.95

Finding the Fourth Proportional to 2,730.99, 4,098.30 and 1,415.95

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Solution

The fourth proportional to 2,730.99, 4,098.30 and 1,415.95 is: 2,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.99 : 4,098.30 = 1,415.95 : x
  2. Step 2: Convert to fraction form
    2,730.99/4,098.30 = 1,415.95/x
  3. Step 3: Cross multiply
    2,730.99x = 4,098.30 × 1,415.95
  4. Step 4: Simplify right side
    2,730.99x = 5,802,987.89
  5. Step 5: Solve for x
    x = 5,802,987.89/2,730.99
  6. Step 6: Final answer
    x = 2,124.87

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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.