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Finding the Fourth Proportional to 1,601.51, 2,391.08 and 1,503.09

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Solution

The fourth proportional to 1,601.51, 2,391.08 and 1,503.09 is: 2,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.51 : 2,391.08 = 1,503.09 : x
  2. Step 2: Convert to fraction form
    1,601.51/2,391.08 = 1,503.09/x
  3. Step 3: Cross multiply
    1,601.51x = 2,391.08 × 1,503.09
  4. Step 4: Simplify right side
    1,601.51x = 3,594,000.92
  5. Step 5: Solve for x
    x = 3,594,000.92/1,601.51
  6. Step 6: Final answer
    x = 2,244.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.