Home / 3,709.44-5,567.76-1,979.28

Finding the Fourth Proportional to 3,709.44, 5,567.76 and 1,979.28

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Solution

The fourth proportional to 3,709.44, 5,567.76 and 1,979.28 is: 2,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.44 : 5,567.76 = 1,979.28 : x
  2. Step 2: Convert to fraction form
    3,709.44/5,567.76 = 1,979.28/x
  3. Step 3: Cross multiply
    3,709.44x = 5,567.76 × 1,979.28
  4. Step 4: Simplify right side
    3,709.44x = 11,020,156.01
  5. Step 5: Solve for x
    x = 11,020,156.01/3,709.44
  6. Step 6: Final answer
    x = 2,970.84

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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.