Home / 4,129.37-5,695.71-2,636.62

Finding the Fourth Proportional to 4,129.37, 5,695.71 and 2,636.62

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Solution

The fourth proportional to 4,129.37, 5,695.71 and 2,636.62 is: 3,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.37 : 5,695.71 = 2,636.62 : x
  2. Step 2: Convert to fraction form
    4,129.37/5,695.71 = 2,636.62/x
  3. Step 3: Cross multiply
    4,129.37x = 5,695.71 × 2,636.62
  4. Step 4: Simplify right side
    4,129.37x = 15,017,381.24
  5. Step 5: Solve for x
    x = 15,017,381.24/4,129.37
  6. Step 6: Final answer
    x = 3,636.72

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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.