Home / 2,635.98-3,635.29-2,187.14

Finding the Fourth Proportional to 2,635.98, 3,635.29 and 2,187.14

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Solution

The fourth proportional to 2,635.98, 3,635.29 and 2,187.14 is: 3,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.98 : 3,635.29 = 2,187.14 : x
  2. Step 2: Convert to fraction form
    2,635.98/3,635.29 = 2,187.14/x
  3. Step 3: Cross multiply
    2,635.98x = 3,635.29 × 2,187.14
  4. Step 4: Simplify right side
    2,635.98x = 7,950,875.46
  5. Step 5: Solve for x
    x = 7,950,875.46/2,635.98
  6. Step 6: Final answer
    x = 3,016.29

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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.