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Finding the Fourth Proportional to 2,090, 3,135.04 and 551.04

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Solution

The fourth proportional to 2,090, 3,135.04 and 551.04 is: 826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090 : 3,135.04 = 551.04 : x
  2. Step 2: Convert to fraction form
    2,090/3,135.04 = 551.04/x
  3. Step 3: Cross multiply
    2,090x = 3,135.04 × 551.04
  4. Step 4: Simplify right side
    2,090x = 1,727,532.44
  5. Step 5: Solve for x
    x = 1,727,532.44/2,090
  6. Step 6: Final answer
    x = 826.57

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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.