Home / 2,848.66-3,931.18-1,669.75

Finding the Fourth Proportional to 2,848.66, 3,931.18 and 1,669.75

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Solution

The fourth proportional to 2,848.66, 3,931.18 and 1,669.75 is: 2,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.66 : 3,931.18 = 1,669.75 : x
  2. Step 2: Convert to fraction form
    2,848.66/3,931.18 = 1,669.75/x
  3. Step 3: Cross multiply
    2,848.66x = 3,931.18 × 1,669.75
  4. Step 4: Simplify right side
    2,848.66x = 6,564,073.80
  5. Step 5: Solve for x
    x = 6,564,073.80/2,848.66
  6. Step 6: Final answer
    x = 2,304.27

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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.