Home / 2,768.68-4,142.58-1,536.98

Finding the Fourth Proportional to 2,768.68, 4,142.58 and 1,536.98

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Solution

The fourth proportional to 2,768.68, 4,142.58 and 1,536.98 is: 2,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.68 : 4,142.58 = 1,536.98 : x
  2. Step 2: Convert to fraction form
    2,768.68/4,142.58 = 1,536.98/x
  3. Step 3: Cross multiply
    2,768.68x = 4,142.58 × 1,536.98
  4. Step 4: Simplify right side
    2,768.68x = 6,367,036.13
  5. Step 5: Solve for x
    x = 6,367,036.13/2,768.68
  6. Step 6: Final answer
    x = 2,299.66

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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.