Home / 2,011.28-3,014.88-1,143.76

Finding the Fourth Proportional to 2,011.28, 3,014.88 and 1,143.76

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Solution

The fourth proportional to 2,011.28, 3,014.88 and 1,143.76 is: 1,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.28 : 3,014.88 = 1,143.76 : x
  2. Step 2: Convert to fraction form
    2,011.28/3,014.88 = 1,143.76/x
  3. Step 3: Cross multiply
    2,011.28x = 3,014.88 × 1,143.76
  4. Step 4: Simplify right side
    2,011.28x = 3,448,299.15
  5. Step 5: Solve for x
    x = 3,448,299.15/2,011.28
  6. Step 6: Final answer
    x = 1,714.48

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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.