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Finding the Fourth Proportional to 1,669.01, 2,303.28 and 923.04

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Solution

The fourth proportional to 1,669.01, 2,303.28 and 923.04 is: 1,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.01 : 2,303.28 = 923.04 : x
  2. Step 2: Convert to fraction form
    1,669.01/2,303.28 = 923.04/x
  3. Step 3: Cross multiply
    1,669.01x = 2,303.28 × 923.04
  4. Step 4: Simplify right side
    1,669.01x = 2,126,019.57
  5. Step 5: Solve for x
    x = 2,126,019.57/1,669.01
  6. Step 6: Final answer
    x = 1,273.82

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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.