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Finding the Fourth Proportional to 2,661.48, 3,669.02 and 1,873.08

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Solution

The fourth proportional to 2,661.48, 3,669.02 and 1,873.08 is: 2,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.48 : 3,669.02 = 1,873.08 : x
  2. Step 2: Convert to fraction form
    2,661.48/3,669.02 = 1,873.08/x
  3. Step 3: Cross multiply
    2,661.48x = 3,669.02 × 1,873.08
  4. Step 4: Simplify right side
    2,661.48x = 6,872,367.98
  5. Step 5: Solve for x
    x = 6,872,367.98/2,661.48
  6. Step 6: Final answer
    x = 2,582.16

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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.