Home / 3,380.10-4,663.50-1,887.82

Finding the Fourth Proportional to 3,380.10, 4,663.50 and 1,887.82

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Solution

The fourth proportional to 3,380.10, 4,663.50 and 1,887.82 is: 2,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.10 : 4,663.50 = 1,887.82 : x
  2. Step 2: Convert to fraction form
    3,380.10/4,663.50 = 1,887.82/x
  3. Step 3: Cross multiply
    3,380.10x = 4,663.50 × 1,887.82
  4. Step 4: Simplify right side
    3,380.10x = 8,803,848.57
  5. Step 5: Solve for x
    x = 8,803,848.57/3,380.10
  6. Step 6: Final answer
    x = 2,604.61

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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.