Home / 1,487.44-2,228.28-1,144.72

Finding the Fourth Proportional to 1,487.44, 2,228.28 and 1,144.72

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Solution

The fourth proportional to 1,487.44, 2,228.28 and 1,144.72 is: 1,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.44 : 2,228.28 = 1,144.72 : x
  2. Step 2: Convert to fraction form
    1,487.44/2,228.28 = 1,144.72/x
  3. Step 3: Cross multiply
    1,487.44x = 2,228.28 × 1,144.72
  4. Step 4: Simplify right side
    1,487.44x = 2,550,756.68
  5. Step 5: Solve for x
    x = 2,550,756.68/1,487.44
  6. Step 6: Final answer
    x = 1,714.86

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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.