Home / 3,730.50-5,595.76-1,422.54

Finding the Fourth Proportional to 3,730.50, 5,595.76 and 1,422.54

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Solution

The fourth proportional to 3,730.50, 5,595.76 and 1,422.54 is: 2,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.50 : 5,595.76 = 1,422.54 : x
  2. Step 2: Convert to fraction form
    3,730.50/5,595.76 = 1,422.54/x
  3. Step 3: Cross multiply
    3,730.50x = 5,595.76 × 1,422.54
  4. Step 4: Simplify right side
    3,730.50x = 7,960,192.43
  5. Step 5: Solve for x
    x = 7,960,192.43/3,730.50
  6. Step 6: Final answer
    x = 2,133.81

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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.