Home / 3,219.10-4,830.19-1,574.75

Finding the Fourth Proportional to 3,219.10, 4,830.19 and 1,574.75

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Solution

The fourth proportional to 3,219.10, 4,830.19 and 1,574.75 is: 2,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.10 : 4,830.19 = 1,574.75 : x
  2. Step 2: Convert to fraction form
    3,219.10/4,830.19 = 1,574.75/x
  3. Step 3: Cross multiply
    3,219.10x = 4,830.19 × 1,574.75
  4. Step 4: Simplify right side
    3,219.10x = 7,606,367.71
  5. Step 5: Solve for x
    x = 7,606,367.71/3,219.10
  6. Step 6: Final answer
    x = 2,362.88

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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.