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Finding the Fourth Proportional to 2,036.79, 3,054.75 and 575.55

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Solution

The fourth proportional to 2,036.79, 3,054.75 and 575.55 is: 863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.79 : 3,054.75 = 575.55 : x
  2. Step 2: Convert to fraction form
    2,036.79/3,054.75 = 575.55/x
  3. Step 3: Cross multiply
    2,036.79x = 3,054.75 × 575.55
  4. Step 4: Simplify right side
    2,036.79x = 1,758,161.36
  5. Step 5: Solve for x
    x = 1,758,161.36/2,036.79
  6. Step 6: Final answer
    x = 863.20

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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.