Home / 2,730.58-4,089.70-2,238.51

Finding the Fourth Proportional to 2,730.58, 4,089.70 and 2,238.51

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Solution

The fourth proportional to 2,730.58, 4,089.70 and 2,238.51 is: 3,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.58 : 4,089.70 = 2,238.51 : x
  2. Step 2: Convert to fraction form
    2,730.58/4,089.70 = 2,238.51/x
  3. Step 3: Cross multiply
    2,730.58x = 4,089.70 × 2,238.51
  4. Step 4: Simplify right side
    2,730.58x = 9,154,834.35
  5. Step 5: Solve for x
    x = 9,154,834.35/2,730.58
  6. Step 6: Final answer
    x = 3,352.71

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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.