Home / 3,396.10-4,686.54-1,904.02

Finding the Fourth Proportional to 3,396.10, 4,686.54 and 1,904.02

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Solution

The fourth proportional to 3,396.10, 4,686.54 and 1,904.02 is: 2,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.10 : 4,686.54 = 1,904.02 : x
  2. Step 2: Convert to fraction form
    3,396.10/4,686.54 = 1,904.02/x
  3. Step 3: Cross multiply
    3,396.10x = 4,686.54 × 1,904.02
  4. Step 4: Simplify right side
    3,396.10x = 8,923,265.89
  5. Step 5: Solve for x
    x = 8,923,265.89/3,396.10
  6. Step 6: Final answer
    x = 2,627.50

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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.