Home / 3,647.77-5,471.75-1,307.94

Finding the Fourth Proportional to 3,647.77, 5,471.75 and 1,307.94

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Solution

The fourth proportional to 3,647.77, 5,471.75 and 1,307.94 is: 1,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.77 : 5,471.75 = 1,307.94 : x
  2. Step 2: Convert to fraction form
    3,647.77/5,471.75 = 1,307.94/x
  3. Step 3: Cross multiply
    3,647.77x = 5,471.75 × 1,307.94
  4. Step 4: Simplify right side
    3,647.77x = 7,156,720.70
  5. Step 5: Solve for x
    x = 7,156,720.70/3,647.77
  6. Step 6: Final answer
    x = 1,961.94

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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.