Home / 3,103.89-4,653.51-1,871.01

Finding the Fourth Proportional to 3,103.89, 4,653.51 and 1,871.01

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Solution

The fourth proportional to 3,103.89, 4,653.51 and 1,871.01 is: 2,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.89 : 4,653.51 = 1,871.01 : x
  2. Step 2: Convert to fraction form
    3,103.89/4,653.51 = 1,871.01/x
  3. Step 3: Cross multiply
    3,103.89x = 4,653.51 × 1,871.01
  4. Step 4: Simplify right side
    3,103.89x = 8,706,763.75
  5. Step 5: Solve for x
    x = 8,706,763.75/3,103.89
  6. Step 6: Final answer
    x = 2,805.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.