Home / 3,730.90-5,148.84-2,238.88

Finding the Fourth Proportional to 3,730.90, 5,148.84 and 2,238.88

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Solution

The fourth proportional to 3,730.90, 5,148.84 and 2,238.88 is: 3,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.90 : 5,148.84 = 2,238.88 : x
  2. Step 2: Convert to fraction form
    3,730.90/5,148.84 = 2,238.88/x
  3. Step 3: Cross multiply
    3,730.90x = 5,148.84 × 2,238.88
  4. Step 4: Simplify right side
    3,730.90x = 11,527,634.90
  5. Step 5: Solve for x
    x = 11,527,634.90/3,730.90
  6. Step 6: Final answer
    x = 3,089.77

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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.