Home / 3,565.04-4,919.67-1,971.65

Finding the Fourth Proportional to 3,565.04, 4,919.67 and 1,971.65

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Solution

The fourth proportional to 3,565.04, 4,919.67 and 1,971.65 is: 2,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.04 : 4,919.67 = 1,971.65 : x
  2. Step 2: Convert to fraction form
    3,565.04/4,919.67 = 1,971.65/x
  3. Step 3: Cross multiply
    3,565.04x = 4,919.67 × 1,971.65
  4. Step 4: Simplify right side
    3,565.04x = 9,699,851.98
  5. Step 5: Solve for x
    x = 9,699,851.98/3,565.04
  6. Step 6: Final answer
    x = 2,720.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.