Home / 3,219.24-4,442.75-1,803.09

Finding the Fourth Proportional to 3,219.24, 4,442.75 and 1,803.09

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Solution

The fourth proportional to 3,219.24, 4,442.75 and 1,803.09 is: 2,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.24 : 4,442.75 = 1,803.09 : x
  2. Step 2: Convert to fraction form
    3,219.24/4,442.75 = 1,803.09/x
  3. Step 3: Cross multiply
    3,219.24x = 4,442.75 × 1,803.09
  4. Step 4: Simplify right side
    3,219.24x = 8,010,678.10
  5. Step 5: Solve for x
    x = 8,010,678.10/3,219.24
  6. Step 6: Final answer
    x = 2,488.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.