Home / 3,499.13-4,828.79-1,927.22

Finding the Fourth Proportional to 3,499.13, 4,828.79 and 1,927.22

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Solution

The fourth proportional to 3,499.13, 4,828.79 and 1,927.22 is: 2,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.13 : 4,828.79 = 1,927.22 : x
  2. Step 2: Convert to fraction form
    3,499.13/4,828.79 = 1,927.22/x
  3. Step 3: Cross multiply
    3,499.13x = 4,828.79 × 1,927.22
  4. Step 4: Simplify right side
    3,499.13x = 9,306,139.45
  5. Step 5: Solve for x
    x = 9,306,139.45/3,499.13
  6. Step 6: Final answer
    x = 2,659.56

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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.