Home / 3,397.04-4,687.66-1,904.70

Finding the Fourth Proportional to 3,397.04, 4,687.66 and 1,904.70

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Solution

The fourth proportional to 3,397.04, 4,687.66 and 1,904.70 is: 2,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.04 : 4,687.66 = 1,904.70 : x
  2. Step 2: Convert to fraction form
    3,397.04/4,687.66 = 1,904.70/x
  3. Step 3: Cross multiply
    3,397.04x = 4,687.66 × 1,904.70
  4. Step 4: Simplify right side
    3,397.04x = 8,928,586.00
  5. Step 5: Solve for x
    x = 8,928,586.00/3,397.04
  6. Step 6: Final answer
    x = 2,628.34

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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.