Home / 3,758.02-5,636.88-1,418.38

Finding the Fourth Proportional to 3,758.02, 5,636.88 and 1,418.38

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Solution

The fourth proportional to 3,758.02, 5,636.88 and 1,418.38 is: 2,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.02 : 5,636.88 = 1,418.38 : x
  2. Step 2: Convert to fraction form
    3,758.02/5,636.88 = 1,418.38/x
  3. Step 3: Cross multiply
    3,758.02x = 5,636.88 × 1,418.38
  4. Step 4: Simplify right side
    3,758.02x = 7,995,237.85
  5. Step 5: Solve for x
    x = 7,995,237.85/3,758.02
  6. Step 6: Final answer
    x = 2,127.51

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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.