Home / 3,730.34-5,149.94-2,238.63

Finding the Fourth Proportional to 3,730.34, 5,149.94 and 2,238.63

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Solution

The fourth proportional to 3,730.34, 5,149.94 and 2,238.63 is: 3,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.34 : 5,149.94 = 2,238.63 : x
  2. Step 2: Convert to fraction form
    3,730.34/5,149.94 = 2,238.63/x
  3. Step 3: Cross multiply
    3,730.34x = 5,149.94 × 2,238.63
  4. Step 4: Simplify right side
    3,730.34x = 11,528,810.18
  5. Step 5: Solve for x
    x = 11,528,810.18/3,730.34
  6. Step 6: Final answer
    x = 3,090.55

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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.