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Finding the Fourth Proportional to 1,507.95, 2,248.29 and 1,469.48

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Solution

The fourth proportional to 1,507.95, 2,248.29 and 1,469.48 is: 2,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.95 : 2,248.29 = 1,469.48 : x
  2. Step 2: Convert to fraction form
    1,507.95/2,248.29 = 1,469.48/x
  3. Step 3: Cross multiply
    1,507.95x = 2,248.29 × 1,469.48
  4. Step 4: Simplify right side
    1,507.95x = 3,303,805.95
  5. Step 5: Solve for x
    x = 3,303,805.95/1,507.95
  6. Step 6: Final answer
    x = 2,190.93

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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.