Home / 3,659.84-5,050.88-2,087.90

Finding the Fourth Proportional to 3,659.84, 5,050.88 and 2,087.90

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Solution

The fourth proportional to 3,659.84, 5,050.88 and 2,087.90 is: 2,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.84 : 5,050.88 = 2,087.90 : x
  2. Step 2: Convert to fraction form
    3,659.84/5,050.88 = 2,087.90/x
  3. Step 3: Cross multiply
    3,659.84x = 5,050.88 × 2,087.90
  4. Step 4: Simplify right side
    3,659.84x = 10,545,732.35
  5. Step 5: Solve for x
    x = 10,545,732.35/3,659.84
  6. Step 6: Final answer
    x = 2,881.47

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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.