Home / 3,445.92-5,178.18-1,803.66

Finding the Fourth Proportional to 3,445.92, 5,178.18 and 1,803.66

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Solution

The fourth proportional to 3,445.92, 5,178.18 and 1,803.66 is: 2,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.92 : 5,178.18 = 1,803.66 : x
  2. Step 2: Convert to fraction form
    3,445.92/5,178.18 = 1,803.66/x
  3. Step 3: Cross multiply
    3,445.92x = 5,178.18 × 1,803.66
  4. Step 4: Simplify right side
    3,445.92x = 9,339,676.14
  5. Step 5: Solve for x
    x = 9,339,676.14/3,445.92
  6. Step 6: Final answer
    x = 2,710.36

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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.