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Finding the Fourth Proportional to 2,684.52, 3,703.32 and 1,634.76

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Solution

The fourth proportional to 2,684.52, 3,703.32 and 1,634.76 is: 2,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.52 : 3,703.32 = 1,634.76 : x
  2. Step 2: Convert to fraction form
    2,684.52/3,703.32 = 1,634.76/x
  3. Step 3: Cross multiply
    2,684.52x = 3,703.32 × 1,634.76
  4. Step 4: Simplify right side
    2,684.52x = 6,054,039.40
  5. Step 5: Solve for x
    x = 6,054,039.40/2,684.52
  6. Step 6: Final answer
    x = 2,255.17

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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.