Home / 4,020.78-6,031.14-1,099.02

Finding the Fourth Proportional to 4,020.78, 6,031.14 and 1,099.02

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Solution

The fourth proportional to 4,020.78, 6,031.14 and 1,099.02 is: 1,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.78 : 6,031.14 = 1,099.02 : x
  2. Step 2: Convert to fraction form
    4,020.78/6,031.14 = 1,099.02/x
  3. Step 3: Cross multiply
    4,020.78x = 6,031.14 × 1,099.02
  4. Step 4: Simplify right side
    4,020.78x = 6,628,343.48
  5. Step 5: Solve for x
    x = 6,628,343.48/4,020.78
  6. Step 6: Final answer
    x = 1,648.52

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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.