Home / 3,153.83-4,730.81-1,422.45

Finding the Fourth Proportional to 3,153.83, 4,730.81 and 1,422.45

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Solution

The fourth proportional to 3,153.83, 4,730.81 and 1,422.45 is: 2,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.83 : 4,730.81 = 1,422.45 : x
  2. Step 2: Convert to fraction form
    3,153.83/4,730.81 = 1,422.45/x
  3. Step 3: Cross multiply
    3,153.83x = 4,730.81 × 1,422.45
  4. Step 4: Simplify right side
    3,153.83x = 6,729,333.57
  5. Step 5: Solve for x
    x = 6,729,333.57/3,153.83
  6. Step 6: Final answer
    x = 2,133.71

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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.