Home / 2,928.08-4,383.48-1,776.08

Finding the Fourth Proportional to 2,928.08, 4,383.48 and 1,776.08

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Solution

The fourth proportional to 2,928.08, 4,383.48 and 1,776.08 is: 2,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.08 : 4,383.48 = 1,776.08 : x
  2. Step 2: Convert to fraction form
    2,928.08/4,383.48 = 1,776.08/x
  3. Step 3: Cross multiply
    2,928.08x = 4,383.48 × 1,776.08
  4. Step 4: Simplify right side
    2,928.08x = 7,785,411.16
  5. Step 5: Solve for x
    x = 7,785,411.16/2,928.08
  6. Step 6: Final answer
    x = 2,658.88

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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.