Home / 2,317.06-3,475.23-855.88

Finding the Fourth Proportional to 2,317.06, 3,475.23 and 855.88

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Solution

The fourth proportional to 2,317.06, 3,475.23 and 855.88 is: 1,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.06 : 3,475.23 = 855.88 : x
  2. Step 2: Convert to fraction form
    2,317.06/3,475.23 = 855.88/x
  3. Step 3: Cross multiply
    2,317.06x = 3,475.23 × 855.88
  4. Step 4: Simplify right side
    2,317.06x = 2,974,379.85
  5. Step 5: Solve for x
    x = 2,974,379.85/2,317.06
  6. Step 6: Final answer
    x = 1,283.69

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1.5x scale

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.