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Finding the Fourth Proportional to 1,939.14, 2,903.04 and 1,506.60

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Solution

The fourth proportional to 1,939.14, 2,903.04 and 1,506.60 is: 2,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.14 : 2,903.04 = 1,506.60 : x
  2. Step 2: Convert to fraction form
    1,939.14/2,903.04 = 1,506.60/x
  3. Step 3: Cross multiply
    1,939.14x = 2,903.04 × 1,506.60
  4. Step 4: Simplify right side
    1,939.14x = 4,373,720.06
  5. Step 5: Solve for x
    x = 4,373,720.06/1,939.14
  6. Step 6: Final answer
    x = 2,255.49

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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.