Home / 3,125.90-4,686.52-1,893.04

Finding the Fourth Proportional to 3,125.90, 4,686.52 and 1,893.04

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Solution

The fourth proportional to 3,125.90, 4,686.52 and 1,893.04 is: 2,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.90 : 4,686.52 = 1,893.04 : x
  2. Step 2: Convert to fraction form
    3,125.90/4,686.52 = 1,893.04/x
  3. Step 3: Cross multiply
    3,125.90x = 4,686.52 × 1,893.04
  4. Step 4: Simplify right side
    3,125.90x = 8,871,769.82
  5. Step 5: Solve for x
    x = 8,871,769.82/3,125.90
  6. Step 6: Final answer
    x = 2,838.15

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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.