Home / 3,237.19-4,465.40-2,118.58

Finding the Fourth Proportional to 3,237.19, 4,465.40 and 2,118.58

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Solution

The fourth proportional to 3,237.19, 4,465.40 and 2,118.58 is: 2,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.19 : 4,465.40 = 2,118.58 : x
  2. Step 2: Convert to fraction form
    3,237.19/4,465.40 = 2,118.58/x
  3. Step 3: Cross multiply
    3,237.19x = 4,465.40 × 2,118.58
  4. Step 4: Simplify right side
    3,237.19x = 9,460,285.38
  5. Step 5: Solve for x
    x = 9,460,285.38/3,237.19
  6. Step 6: Final answer
    x = 2,922.38

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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.