Home / 2,408.40-3,323.19-1,345.98

Finding the Fourth Proportional to 2,408.40, 3,323.19 and 1,345.98

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Solution

The fourth proportional to 2,408.40, 3,323.19 and 1,345.98 is: 1,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.40 : 3,323.19 = 1,345.98 : x
  2. Step 2: Convert to fraction form
    2,408.40/3,323.19 = 1,345.98/x
  3. Step 3: Cross multiply
    2,408.40x = 3,323.19 × 1,345.98
  4. Step 4: Simplify right side
    2,408.40x = 4,472,947.28
  5. Step 5: Solve for x
    x = 4,472,947.28/2,408.40
  6. Step 6: Final answer
    x = 1,857.23

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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.