Home / 3,172.95-4,761.24-1,225.29

Finding the Fourth Proportional to 3,172.95, 4,761.24 and 1,225.29

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Solution

The fourth proportional to 3,172.95, 4,761.24 and 1,225.29 is: 1,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.95 : 4,761.24 = 1,225.29 : x
  2. Step 2: Convert to fraction form
    3,172.95/4,761.24 = 1,225.29/x
  3. Step 3: Cross multiply
    3,172.95x = 4,761.24 × 1,225.29
  4. Step 4: Simplify right side
    3,172.95x = 5,833,899.76
  5. Step 5: Solve for x
    x = 5,833,899.76/3,172.95
  6. Step 6: Final answer
    x = 1,838.64

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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.