Home / 2,365.20-3,263.82-1,317.24

Finding the Fourth Proportional to 2,365.20, 3,263.82 and 1,317.24

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Solution

The fourth proportional to 2,365.20, 3,263.82 and 1,317.24 is: 1,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.20 : 3,263.82 = 1,317.24 : x
  2. Step 2: Convert to fraction form
    2,365.20/3,263.82 = 1,317.24/x
  3. Step 3: Cross multiply
    2,365.20x = 3,263.82 × 1,317.24
  4. Step 4: Simplify right side
    2,365.20x = 4,299,234.26
  5. Step 5: Solve for x
    x = 4,299,234.26/2,365.20
  6. Step 6: Final answer
    x = 1,817.70

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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.