Home / 3,477.76-4,799.44-1,985.66

Finding the Fourth Proportional to 3,477.76, 4,799.44 and 1,985.66

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Solution

The fourth proportional to 3,477.76, 4,799.44 and 1,985.66 is: 2,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.76 : 4,799.44 = 1,985.66 : x
  2. Step 2: Convert to fraction form
    3,477.76/4,799.44 = 1,985.66/x
  3. Step 3: Cross multiply
    3,477.76x = 4,799.44 × 1,985.66
  4. Step 4: Simplify right side
    3,477.76x = 9,530,027.85
  5. Step 5: Solve for x
    x = 9,530,027.85/3,477.76
  6. Step 6: Final answer
    x = 2,740.28

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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.