Home / 3,499.18-4,828.80-1,927.30

Finding the Fourth Proportional to 3,499.18, 4,828.80 and 1,927.30

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Solution

The fourth proportional to 3,499.18, 4,828.80 and 1,927.30 is: 2,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.18 : 4,828.80 = 1,927.30 : x
  2. Step 2: Convert to fraction form
    3,499.18/4,828.80 = 1,927.30/x
  3. Step 3: Cross multiply
    3,499.18x = 4,828.80 × 1,927.30
  4. Step 4: Simplify right side
    3,499.18x = 9,306,546.24
  5. Step 5: Solve for x
    x = 9,306,546.24/3,499.18
  6. Step 6: Final answer
    x = 2,659.64

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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.