Home / 3,707.81-5,561.76-1,515.04

Finding the Fourth Proportional to 3,707.81, 5,561.76 and 1,515.04

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Solution

The fourth proportional to 3,707.81, 5,561.76 and 1,515.04 is: 2,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.81 : 5,561.76 = 1,515.04 : x
  2. Step 2: Convert to fraction form
    3,707.81/5,561.76 = 1,515.04/x
  3. Step 3: Cross multiply
    3,707.81x = 5,561.76 × 1,515.04
  4. Step 4: Simplify right side
    3,707.81x = 8,426,288.87
  5. Step 5: Solve for x
    x = 8,426,288.87/3,707.81
  6. Step 6: Final answer
    x = 2,272.58

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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.