Home / 3,723.39-5,130.87-2,658.15

Finding the Fourth Proportional to 3,723.39, 5,130.87 and 2,658.15

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Solution

The fourth proportional to 3,723.39, 5,130.87 and 2,658.15 is: 3,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.39 : 5,130.87 = 2,658.15 : x
  2. Step 2: Convert to fraction form
    3,723.39/5,130.87 = 2,658.15/x
  3. Step 3: Cross multiply
    3,723.39x = 5,130.87 × 2,658.15
  4. Step 4: Simplify right side
    3,723.39x = 13,638,622.09
  5. Step 5: Solve for x
    x = 13,638,622.09/3,723.39
  6. Step 6: Final answer
    x = 3,662.96

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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.