Home / 3,757.20-5,632.04-1,779.30

Finding the Fourth Proportional to 3,757.20, 5,632.04 and 1,779.30

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Solution

The fourth proportional to 3,757.20, 5,632.04 and 1,779.30 is: 2,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.20 : 5,632.04 = 1,779.30 : x
  2. Step 2: Convert to fraction form
    3,757.20/5,632.04 = 1,779.30/x
  3. Step 3: Cross multiply
    3,757.20x = 5,632.04 × 1,779.30
  4. Step 4: Simplify right side
    3,757.20x = 10,021,088.77
  5. Step 5: Solve for x
    x = 10,021,088.77/3,757.20
  6. Step 6: Final answer
    x = 2,667.17

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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.