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Finding the Fourth Proportional to 1,202.48, 1,803.58 and 894.79

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Solution

The fourth proportional to 1,202.48, 1,803.58 and 894.79 is: 1,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.48 : 1,803.58 = 894.79 : x
  2. Step 2: Convert to fraction form
    1,202.48/1,803.58 = 894.79/x
  3. Step 3: Cross multiply
    1,202.48x = 1,803.58 × 894.79
  4. Step 4: Simplify right side
    1,202.48x = 1,613,825.35
  5. Step 5: Solve for x
    x = 1,613,825.35/1,202.48
  6. Step 6: Final answer
    x = 1,342.08

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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.