Home / 3,650.50-5,475.78-1,053.46

Finding the Fourth Proportional to 3,650.50, 5,475.78 and 1,053.46

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Solution

The fourth proportional to 3,650.50, 5,475.78 and 1,053.46 is: 1,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.50 : 5,475.78 = 1,053.46 : x
  2. Step 2: Convert to fraction form
    3,650.50/5,475.78 = 1,053.46/x
  3. Step 3: Cross multiply
    3,650.50x = 5,475.78 × 1,053.46
  4. Step 4: Simplify right side
    3,650.50x = 5,768,515.20
  5. Step 5: Solve for x
    x = 5,768,515.20/3,650.50
  6. Step 6: Final answer
    x = 1,580.20

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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.