Home / 2,635.23-3,635.70-1,690.95

Finding the Fourth Proportional to 2,635.23, 3,635.70 and 1,690.95

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Solution

The fourth proportional to 2,635.23, 3,635.70 and 1,690.95 is: 2,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.23 : 3,635.70 = 1,690.95 : x
  2. Step 2: Convert to fraction form
    2,635.23/3,635.70 = 1,690.95/x
  3. Step 3: Cross multiply
    2,635.23x = 3,635.70 × 1,690.95
  4. Step 4: Simplify right side
    2,635.23x = 6,147,786.92
  5. Step 5: Solve for x
    x = 6,147,786.92/2,635.23
  6. Step 6: Final answer
    x = 2,332.92

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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.