Home / 3,820.76-5,732.67-2,587.49

Finding the Fourth Proportional to 3,820.76, 5,732.67 and 2,587.49

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Solution

The fourth proportional to 3,820.76, 5,732.67 and 2,587.49 is: 3,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.76 : 5,732.67 = 2,587.49 : x
  2. Step 2: Convert to fraction form
    3,820.76/5,732.67 = 2,587.49/x
  3. Step 3: Cross multiply
    3,820.76x = 5,732.67 × 2,587.49
  4. Step 4: Simplify right side
    3,820.76x = 14,833,261.08
  5. Step 5: Solve for x
    x = 14,833,261.08/3,820.76
  6. Step 6: Final answer
    x = 3,882.28

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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.