Home / 2,633.50-3,632.65-1,688.95

Finding the Fourth Proportional to 2,633.50, 3,632.65 and 1,688.95

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Solution

The fourth proportional to 2,633.50, 3,632.65 and 1,688.95 is: 2,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.50 : 3,632.65 = 1,688.95 : x
  2. Step 2: Convert to fraction form
    2,633.50/3,632.65 = 1,688.95/x
  3. Step 3: Cross multiply
    2,633.50x = 3,632.65 × 1,688.95
  4. Step 4: Simplify right side
    2,633.50x = 6,135,364.22
  5. Step 5: Solve for x
    x = 6,135,364.22/2,633.50
  6. Step 6: Final answer
    x = 2,329.74

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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.