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Finding the Fourth Proportional to 3,137.01, 4,328.95 and 1,739.85

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Solution

The fourth proportional to 3,137.01, 4,328.95 and 1,739.85 is: 2,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.01 : 4,328.95 = 1,739.85 : x
  2. Step 2: Convert to fraction form
    3,137.01/4,328.95 = 1,739.85/x
  3. Step 3: Cross multiply
    3,137.01x = 4,328.95 × 1,739.85
  4. Step 4: Simplify right side
    3,137.01x = 7,531,723.66
  5. Step 5: Solve for x
    x = 7,531,723.66/3,137.01
  6. Step 6: Final answer
    x = 2,400.92

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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.