Home / 2,928.93-4,388.45-1,772.25

Finding the Fourth Proportional to 2,928.93, 4,388.45 and 1,772.25

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Solution

The fourth proportional to 2,928.93, 4,388.45 and 1,772.25 is: 2,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.93 : 4,388.45 = 1,772.25 : x
  2. Step 2: Convert to fraction form
    2,928.93/4,388.45 = 1,772.25/x
  3. Step 3: Cross multiply
    2,928.93x = 4,388.45 × 1,772.25
  4. Step 4: Simplify right side
    2,928.93x = 7,777,421.65
  5. Step 5: Solve for x
    x = 7,777,421.65/2,928.93
  6. Step 6: Final answer
    x = 2,655.38

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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.