Home / 3,890.02-5,833.74-1,292.26

Finding the Fourth Proportional to 3,890.02, 5,833.74 and 1,292.26

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Solution

The fourth proportional to 3,890.02, 5,833.74 and 1,292.26 is: 1,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.02 : 5,833.74 = 1,292.26 : x
  2. Step 2: Convert to fraction form
    3,890.02/5,833.74 = 1,292.26/x
  3. Step 3: Cross multiply
    3,890.02x = 5,833.74 × 1,292.26
  4. Step 4: Simplify right side
    3,890.02x = 7,538,708.85
  5. Step 5: Solve for x
    x = 7,538,708.85/3,890.02
  6. Step 6: Final answer
    x = 1,937.96

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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.