Home / 3,117.09-4,675.64-1,817.65

Finding the Fourth Proportional to 3,117.09, 4,675.64 and 1,817.65

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Solution

The fourth proportional to 3,117.09, 4,675.64 and 1,817.65 is: 2,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.09 : 4,675.64 = 1,817.65 : x
  2. Step 2: Convert to fraction form
    3,117.09/4,675.64 = 1,817.65/x
  3. Step 3: Cross multiply
    3,117.09x = 4,675.64 × 1,817.65
  4. Step 4: Simplify right side
    3,117.09x = 8,498,670.88
  5. Step 5: Solve for x
    x = 8,498,670.88/3,117.09
  6. Step 6: Final answer
    x = 2,726.48

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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.