Home / 3,570.03-5,351.40-1,811.79

Finding the Fourth Proportional to 3,570.03, 5,351.40 and 1,811.79

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Solution

The fourth proportional to 3,570.03, 5,351.40 and 1,811.79 is: 2,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.03 : 5,351.40 = 1,811.79 : x
  2. Step 2: Convert to fraction form
    3,570.03/5,351.40 = 1,811.79/x
  3. Step 3: Cross multiply
    3,570.03x = 5,351.40 × 1,811.79
  4. Step 4: Simplify right side
    3,570.03x = 9,695,613.01
  5. Step 5: Solve for x
    x = 9,695,613.01/3,570.03
  6. Step 6: Final answer
    x = 2,715.84

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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.