Home / 3,087.61-4,261.14-1,892.59

Finding the Fourth Proportional to 3,087.61, 4,261.14 and 1,892.59

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Solution

The fourth proportional to 3,087.61, 4,261.14 and 1,892.59 is: 2,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.61 : 4,261.14 = 1,892.59 : x
  2. Step 2: Convert to fraction form
    3,087.61/4,261.14 = 1,892.59/x
  3. Step 3: Cross multiply
    3,087.61x = 4,261.14 × 1,892.59
  4. Step 4: Simplify right side
    3,087.61x = 8,064,590.95
  5. Step 5: Solve for x
    x = 8,064,590.95/3,087.61
  6. Step 6: Final answer
    x = 2,611.92

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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.