Home / 1,526.28-2,287.62-551.64

Finding the Fourth Proportional to 1,526.28, 2,287.62 and 551.64

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Solution

The fourth proportional to 1,526.28, 2,287.62 and 551.64 is: 826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.28 : 2,287.62 = 551.64 : x
  2. Step 2: Convert to fraction form
    1,526.28/2,287.62 = 551.64/x
  3. Step 3: Cross multiply
    1,526.28x = 2,287.62 × 551.64
  4. Step 4: Simplify right side
    1,526.28x = 1,261,942.70
  5. Step 5: Solve for x
    x = 1,261,942.70/1,526.28
  6. Step 6: Final answer
    x = 826.81

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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.