Home / 2,660.10-3,669.06-1,903.15

Finding the Fourth Proportional to 2,660.10, 3,669.06 and 1,903.15

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Solution

The fourth proportional to 2,660.10, 3,669.06 and 1,903.15 is: 2,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.10 : 3,669.06 = 1,903.15 : x
  2. Step 2: Convert to fraction form
    2,660.10/3,669.06 = 1,903.15/x
  3. Step 3: Cross multiply
    2,660.10x = 3,669.06 × 1,903.15
  4. Step 4: Simplify right side
    2,660.10x = 6,982,771.54
  5. Step 5: Solve for x
    x = 6,982,771.54/2,660.10
  6. Step 6: Final answer
    x = 2,625.00

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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.