Home / 3,670.30-5,506.23-1,205.02

Finding the Fourth Proportional to 3,670.30, 5,506.23 and 1,205.02

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Solution

The fourth proportional to 3,670.30, 5,506.23 and 1,205.02 is: 1,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.30 : 5,506.23 = 1,205.02 : x
  2. Step 2: Convert to fraction form
    3,670.30/5,506.23 = 1,205.02/x
  3. Step 3: Cross multiply
    3,670.30x = 5,506.23 × 1,205.02
  4. Step 4: Simplify right side
    3,670.30x = 6,635,117.27
  5. Step 5: Solve for x
    x = 6,635,117.27/3,670.30
  6. Step 6: Final answer
    x = 1,807.79

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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.