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Finding the Fourth Proportional to 2,685.02, 4,026.99 and 835.52

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Solution

The fourth proportional to 2,685.02, 4,026.99 and 835.52 is: 1,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.02 : 4,026.99 = 835.52 : x
  2. Step 2: Convert to fraction form
    2,685.02/4,026.99 = 835.52/x
  3. Step 3: Cross multiply
    2,685.02x = 4,026.99 × 835.52
  4. Step 4: Simplify right side
    2,685.02x = 3,364,630.68
  5. Step 5: Solve for x
    x = 3,364,630.68/2,685.02
  6. Step 6: Final answer
    x = 1,253.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.