Home / 3,636.02-5,018.91-2,144.36

Finding the Fourth Proportional to 3,636.02, 5,018.91 and 2,144.36

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Solution

The fourth proportional to 3,636.02, 5,018.91 and 2,144.36 is: 2,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.02 : 5,018.91 = 2,144.36 : x
  2. Step 2: Convert to fraction form
    3,636.02/5,018.91 = 2,144.36/x
  3. Step 3: Cross multiply
    3,636.02x = 5,018.91 × 2,144.36
  4. Step 4: Simplify right side
    3,636.02x = 10,762,349.85
  5. Step 5: Solve for x
    x = 10,762,349.85/3,636.02
  6. Step 6: Final answer
    x = 2,959.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.