Home / 3,743.90-5,615.98-1,403.66

Finding the Fourth Proportional to 3,743.90, 5,615.98 and 1,403.66

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Solution

The fourth proportional to 3,743.90, 5,615.98 and 1,403.66 is: 2,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.90 : 5,615.98 = 1,403.66 : x
  2. Step 2: Convert to fraction form
    3,743.90/5,615.98 = 1,403.66/x
  3. Step 3: Cross multiply
    3,743.90x = 5,615.98 × 1,403.66
  4. Step 4: Simplify right side
    3,743.90x = 7,882,937.02
  5. Step 5: Solve for x
    x = 7,882,937.02/3,743.90
  6. Step 6: Final answer
    x = 2,105.54

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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.