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Finding the Fourth Proportional to 1,504.37, 2,076.07 and 841.23

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Solution

The fourth proportional to 1,504.37, 2,076.07 and 841.23 is: 1,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.37 : 2,076.07 = 841.23 : x
  2. Step 2: Convert to fraction form
    1,504.37/2,076.07 = 841.23/x
  3. Step 3: Cross multiply
    1,504.37x = 2,076.07 × 841.23
  4. Step 4: Simplify right side
    1,504.37x = 1,746,452.37
  5. Step 5: Solve for x
    x = 1,746,452.37/1,504.37
  6. Step 6: Final answer
    x = 1,160.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.