Home / 2,615.68-3,923.52-1,519.35

Finding the Fourth Proportional to 2,615.68, 3,923.52 and 1,519.35

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Solution

The fourth proportional to 2,615.68, 3,923.52 and 1,519.35 is: 2,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.68 : 3,923.52 = 1,519.35 : x
  2. Step 2: Convert to fraction form
    2,615.68/3,923.52 = 1,519.35/x
  3. Step 3: Cross multiply
    2,615.68x = 3,923.52 × 1,519.35
  4. Step 4: Simplify right side
    2,615.68x = 5,961,200.11
  5. Step 5: Solve for x
    x = 5,961,200.11/2,615.68
  6. Step 6: Final answer
    x = 2,279.03

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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.