Home / 2,650.14-3,975.28-1,479.49

Finding the Fourth Proportional to 2,650.14, 3,975.28 and 1,479.49

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Solution

The fourth proportional to 2,650.14, 3,975.28 and 1,479.49 is: 2,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.14 : 3,975.28 = 1,479.49 : x
  2. Step 2: Convert to fraction form
    2,650.14/3,975.28 = 1,479.49/x
  3. Step 3: Cross multiply
    2,650.14x = 3,975.28 × 1,479.49
  4. Step 4: Simplify right side
    2,650.14x = 5,881,373.37
  5. Step 5: Solve for x
    x = 5,881,373.37/2,650.14
  6. Step 6: Final answer
    x = 2,219.27

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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.