Home / 2,928.08-4,392.36-1,467.20

Finding the Fourth Proportional to 2,928.08, 4,392.36 and 1,467.20

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Solution

The fourth proportional to 2,928.08, 4,392.36 and 1,467.20 is: 2,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.08 : 4,392.36 = 1,467.20 : x
  2. Step 2: Convert to fraction form
    2,928.08/4,392.36 = 1,467.20/x
  3. Step 3: Cross multiply
    2,928.08x = 4,392.36 × 1,467.20
  4. Step 4: Simplify right side
    2,928.08x = 6,444,470.59
  5. Step 5: Solve for x
    x = 6,444,470.59/2,928.08
  6. Step 6: Final answer
    x = 2,200.92

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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.