Home / 3,499.64-4,828.80-2,660.12

Finding the Fourth Proportional to 3,499.64, 4,828.80 and 2,660.12

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Solution

The fourth proportional to 3,499.64, 4,828.80 and 2,660.12 is: 3,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.64 : 4,828.80 = 2,660.12 : x
  2. Step 2: Convert to fraction form
    3,499.64/4,828.80 = 2,660.12/x
  3. Step 3: Cross multiply
    3,499.64x = 4,828.80 × 2,660.12
  4. Step 4: Simplify right side
    3,499.64x = 12,845,187.46
  5. Step 5: Solve for x
    x = 12,845,187.46/3,499.64
  6. Step 6: Final answer
    x = 3,670.43

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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.