Home / 3,153.51-4,729.66-1,205.26

Finding the Fourth Proportional to 3,153.51, 4,729.66 and 1,205.26

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Solution

The fourth proportional to 3,153.51, 4,729.66 and 1,205.26 is: 1,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.51 : 4,729.66 = 1,205.26 : x
  2. Step 2: Convert to fraction form
    3,153.51/4,729.66 = 1,205.26/x
  3. Step 3: Cross multiply
    3,153.51x = 4,729.66 × 1,205.26
  4. Step 4: Simplify right side
    3,153.51x = 5,700,455.17
  5. Step 5: Solve for x
    x = 5,700,455.17/3,153.51
  6. Step 6: Final answer
    x = 1,807.65

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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.