Home / 3,759.02-5,638.54-1,418.39

Finding the Fourth Proportional to 3,759.02, 5,638.54 and 1,418.39

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Solution

The fourth proportional to 3,759.02, 5,638.54 and 1,418.39 is: 2,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.02 : 5,638.54 = 1,418.39 : x
  2. Step 2: Convert to fraction form
    3,759.02/5,638.54 = 1,418.39/x
  3. Step 3: Cross multiply
    3,759.02x = 5,638.54 × 1,418.39
  4. Step 4: Simplify right side
    3,759.02x = 7,997,668.54
  5. Step 5: Solve for x
    x = 7,997,668.54/3,759.02
  6. Step 6: Final answer
    x = 2,127.59

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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.