Home / 3,622.07-5,431.98-1,542.05

Finding the Fourth Proportional to 3,622.07, 5,431.98 and 1,542.05

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Solution

The fourth proportional to 3,622.07, 5,431.98 and 1,542.05 is: 2,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.07 : 5,431.98 = 1,542.05 : x
  2. Step 2: Convert to fraction form
    3,622.07/5,431.98 = 1,542.05/x
  3. Step 3: Cross multiply
    3,622.07x = 5,431.98 × 1,542.05
  4. Step 4: Simplify right side
    3,622.07x = 8,376,384.76
  5. Step 5: Solve for x
    x = 8,376,384.76/3,622.07
  6. Step 6: Final answer
    x = 2,312.60

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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.