Home / 2,127.28-3,188.64-2,104.24

Finding the Fourth Proportional to 2,127.28, 3,188.64 and 2,104.24

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Solution

The fourth proportional to 2,127.28, 3,188.64 and 2,104.24 is: 3,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.28 : 3,188.64 = 2,104.24 : x
  2. Step 2: Convert to fraction form
    2,127.28/3,188.64 = 2,104.24/x
  3. Step 3: Cross multiply
    2,127.28x = 3,188.64 × 2,104.24
  4. Step 4: Simplify right side
    2,127.28x = 6,709,663.83
  5. Step 5: Solve for x
    x = 6,709,663.83/2,127.28
  6. Step 6: Final answer
    x = 3,154.10

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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.