Home / 3,658.08-5,486.02-1,192.30

Finding the Fourth Proportional to 3,658.08, 5,486.02 and 1,192.30

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Solution

The fourth proportional to 3,658.08, 5,486.02 and 1,192.30 is: 1,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.08 : 5,486.02 = 1,192.30 : x
  2. Step 2: Convert to fraction form
    3,658.08/5,486.02 = 1,192.30/x
  3. Step 3: Cross multiply
    3,658.08x = 5,486.02 × 1,192.30
  4. Step 4: Simplify right side
    3,658.08x = 6,540,981.65
  5. Step 5: Solve for x
    x = 6,540,981.65/3,658.08
  6. Step 6: Final answer
    x = 1,788.09

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1.5x scale

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.