Home / 2,403.58-3,317.26-1,355.98

Finding the Fourth Proportional to 2,403.58, 3,317.26 and 1,355.98

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Solution

The fourth proportional to 2,403.58, 3,317.26 and 1,355.98 is: 1,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.58 : 3,317.26 = 1,355.98 : x
  2. Step 2: Convert to fraction form
    2,403.58/3,317.26 = 1,355.98/x
  3. Step 3: Cross multiply
    2,403.58x = 3,317.26 × 1,355.98
  4. Step 4: Simplify right side
    2,403.58x = 4,498,138.21
  5. Step 5: Solve for x
    x = 4,498,138.21/2,403.58
  6. Step 6: Final answer
    x = 1,871.43

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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.