Home / 3,532.78-5,299.28-1,776.82

Finding the Fourth Proportional to 3,532.78, 5,299.28 and 1,776.82

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Solution

The fourth proportional to 3,532.78, 5,299.28 and 1,776.82 is: 2,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.78 : 5,299.28 = 1,776.82 : x
  2. Step 2: Convert to fraction form
    3,532.78/5,299.28 = 1,776.82/x
  3. Step 3: Cross multiply
    3,532.78x = 5,299.28 × 1,776.82
  4. Step 4: Simplify right side
    3,532.78x = 9,415,887.57
  5. Step 5: Solve for x
    x = 9,415,887.57/3,532.78
  6. Step 6: Final answer
    x = 2,665.29

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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.