Home / 2,317.50-3,199.77-1,617.66

Finding the Fourth Proportional to 2,317.50, 3,199.77 and 1,617.66

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Solution

The fourth proportional to 2,317.50, 3,199.77 and 1,617.66 is: 2,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.50 : 3,199.77 = 1,617.66 : x
  2. Step 2: Convert to fraction form
    2,317.50/3,199.77 = 1,617.66/x
  3. Step 3: Cross multiply
    2,317.50x = 3,199.77 × 1,617.66
  4. Step 4: Simplify right side
    2,317.50x = 5,176,139.94
  5. Step 5: Solve for x
    x = 5,176,139.94/2,317.50
  6. Step 6: Final answer
    x = 2,233.50

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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.