Home / 3,397.11-4,686.96-1,904.82

Finding the Fourth Proportional to 3,397.11, 4,686.96 and 1,904.82

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Solution

The fourth proportional to 3,397.11, 4,686.96 and 1,904.82 is: 2,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.11 : 4,686.96 = 1,904.82 : x
  2. Step 2: Convert to fraction form
    3,397.11/4,686.96 = 1,904.82/x
  3. Step 3: Cross multiply
    3,397.11x = 4,686.96 × 1,904.82
  4. Step 4: Simplify right side
    3,397.11x = 8,927,815.15
  5. Step 5: Solve for x
    x = 8,927,815.15/3,397.11
  6. Step 6: Final answer
    x = 2,628.06

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1.5x scale

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.