Home / 2,635.70-3,638.13-1,849.94

Finding the Fourth Proportional to 2,635.70, 3,638.13 and 1,849.94

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Solution

The fourth proportional to 2,635.70, 3,638.13 and 1,849.94 is: 2,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.70 : 3,638.13 = 1,849.94 : x
  2. Step 2: Convert to fraction form
    2,635.70/3,638.13 = 1,849.94/x
  3. Step 3: Cross multiply
    2,635.70x = 3,638.13 × 1,849.94
  4. Step 4: Simplify right side
    2,635.70x = 6,730,322.21
  5. Step 5: Solve for x
    x = 6,730,322.21/2,635.70
  6. Step 6: Final answer
    x = 2,553.52

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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.