Home / 2,635.95-3,638.48-1,850.19

Finding the Fourth Proportional to 2,635.95, 3,638.48 and 1,850.19

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Solution

The fourth proportional to 2,635.95, 3,638.48 and 1,850.19 is: 2,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.95 : 3,638.48 = 1,850.19 : x
  2. Step 2: Convert to fraction form
    2,635.95/3,638.48 = 1,850.19/x
  3. Step 3: Cross multiply
    2,635.95x = 3,638.48 × 1,850.19
  4. Step 4: Simplify right side
    2,635.95x = 6,731,870.06
  5. Step 5: Solve for x
    x = 6,731,870.06/2,635.95
  6. Step 6: Final answer
    x = 2,553.87

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Half scale
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Double scale
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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.