Home / 3,551.18-4,889.37-3,018.98

Finding the Fourth Proportional to 3,551.18, 4,889.37 and 3,018.98

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Solution

The fourth proportional to 3,551.18, 4,889.37 and 3,018.98 is: 4,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.18 : 4,889.37 = 3,018.98 : x
  2. Step 2: Convert to fraction form
    3,551.18/4,889.37 = 3,018.98/x
  3. Step 3: Cross multiply
    3,551.18x = 4,889.37 × 3,018.98
  4. Step 4: Simplify right side
    3,551.18x = 14,760,910.24
  5. Step 5: Solve for x
    x = 14,760,910.24/3,551.18
  6. Step 6: Final answer
    x = 4,156.62

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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.