Home / 4,127.10-5,695.28-2,238.60

Finding the Fourth Proportional to 4,127.10, 5,695.28 and 2,238.60

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Solution

The fourth proportional to 4,127.10, 5,695.28 and 2,238.60 is: 3,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.10 : 5,695.28 = 2,238.60 : x
  2. Step 2: Convert to fraction form
    4,127.10/5,695.28 = 2,238.60/x
  3. Step 3: Cross multiply
    4,127.10x = 5,695.28 × 2,238.60
  4. Step 4: Simplify right side
    4,127.10x = 12,749,453.81
  5. Step 5: Solve for x
    x = 12,749,453.81/4,127.10
  6. Step 6: Final answer
    x = 3,089.20

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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.