Home / 3,710.75-5,561.34-2,779.01

Finding the Fourth Proportional to 3,710.75, 5,561.34 and 2,779.01

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Solution

The fourth proportional to 3,710.75, 5,561.34 and 2,779.01 is: 4,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.75 : 5,561.34 = 2,779.01 : x
  2. Step 2: Convert to fraction form
    3,710.75/5,561.34 = 2,779.01/x
  3. Step 3: Cross multiply
    3,710.75x = 5,561.34 × 2,779.01
  4. Step 4: Simplify right side
    3,710.75x = 15,454,991.67
  5. Step 5: Solve for x
    x = 15,454,991.67/3,710.75
  6. Step 6: Final answer
    x = 4,164.93

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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.