Home / 3,087.81-4,256.86-2,613.82

Finding the Fourth Proportional to 3,087.81, 4,256.86 and 2,613.82

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Solution

The fourth proportional to 3,087.81, 4,256.86 and 2,613.82 is: 3,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.81 : 4,256.86 = 2,613.82 : x
  2. Step 2: Convert to fraction form
    3,087.81/4,256.86 = 2,613.82/x
  3. Step 3: Cross multiply
    3,087.81x = 4,256.86 × 2,613.82
  4. Step 4: Simplify right side
    3,087.81x = 11,126,665.81
  5. Step 5: Solve for x
    x = 11,126,665.81/3,087.81
  6. Step 6: Final answer
    x = 3,603.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.