Home / 3,254.65-4,491.99-1,928.81

Finding the Fourth Proportional to 3,254.65, 4,491.99 and 1,928.81

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Solution

The fourth proportional to 3,254.65, 4,491.99 and 1,928.81 is: 2,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.65 : 4,491.99 = 1,928.81 : x
  2. Step 2: Convert to fraction form
    3,254.65/4,491.99 = 1,928.81/x
  3. Step 3: Cross multiply
    3,254.65x = 4,491.99 × 1,928.81
  4. Step 4: Simplify right side
    3,254.65x = 8,664,206.46
  5. Step 5: Solve for x
    x = 8,664,206.46/3,254.65
  6. Step 6: Final answer
    x = 2,662.10

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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.