Home / 3,454.03-5,180.91-1,261.77

Finding the Fourth Proportional to 3,454.03, 5,180.91 and 1,261.77

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Solution

The fourth proportional to 3,454.03, 5,180.91 and 1,261.77 is: 1,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.03 : 5,180.91 = 1,261.77 : x
  2. Step 2: Convert to fraction form
    3,454.03/5,180.91 = 1,261.77/x
  3. Step 3: Cross multiply
    3,454.03x = 5,180.91 × 1,261.77
  4. Step 4: Simplify right side
    3,454.03x = 6,537,116.81
  5. Step 5: Solve for x
    x = 6,537,116.81/3,454.03
  6. Step 6: Final answer
    x = 1,892.61

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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.