Home / 3,679.55-5,509.20-2,570.07

Finding the Fourth Proportional to 3,679.55, 5,509.20 and 2,570.07

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Solution

The fourth proportional to 3,679.55, 5,509.20 and 2,570.07 is: 3,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.55 : 5,509.20 = 2,570.07 : x
  2. Step 2: Convert to fraction form
    3,679.55/5,509.20 = 2,570.07/x
  3. Step 3: Cross multiply
    3,679.55x = 5,509.20 × 2,570.07
  4. Step 4: Simplify right side
    3,679.55x = 14,159,059.94
  5. Step 5: Solve for x
    x = 14,159,059.94/3,679.55
  6. Step 6: Final answer
    x = 3,848.04

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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.