Home / 3,679.22-5,521.06-1,487.77

Finding the Fourth Proportional to 3,679.22, 5,521.06 and 1,487.77

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Solution

The fourth proportional to 3,679.22, 5,521.06 and 1,487.77 is: 2,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.22 : 5,521.06 = 1,487.77 : x
  2. Step 2: Convert to fraction form
    3,679.22/5,521.06 = 1,487.77/x
  3. Step 3: Cross multiply
    3,679.22x = 5,521.06 × 1,487.77
  4. Step 4: Simplify right side
    3,679.22x = 8,214,055.49
  5. Step 5: Solve for x
    x = 8,214,055.49/3,679.22
  6. Step 6: Final answer
    x = 2,232.55

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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.