Home / 2,817.43-3,888.30-1,698.37

Finding the Fourth Proportional to 2,817.43, 3,888.30 and 1,698.37

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Solution

The fourth proportional to 2,817.43, 3,888.30 and 1,698.37 is: 2,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.43 : 3,888.30 = 1,698.37 : x
  2. Step 2: Convert to fraction form
    2,817.43/3,888.30 = 1,698.37/x
  3. Step 3: Cross multiply
    2,817.43x = 3,888.30 × 1,698.37
  4. Step 4: Simplify right side
    2,817.43x = 6,603,772.07
  5. Step 5: Solve for x
    x = 6,603,772.07/2,817.43
  6. Step 6: Final answer
    x = 2,343.90

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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.