Home / 2,435.62-3,645.88-1,969.51

Finding the Fourth Proportional to 2,435.62, 3,645.88 and 1,969.51

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Solution

The fourth proportional to 2,435.62, 3,645.88 and 1,969.51 is: 2,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.62 : 3,645.88 = 1,969.51 : x
  2. Step 2: Convert to fraction form
    2,435.62/3,645.88 = 1,969.51/x
  3. Step 3: Cross multiply
    2,435.62x = 3,645.88 × 1,969.51
  4. Step 4: Simplify right side
    2,435.62x = 7,180,597.12
  5. Step 5: Solve for x
    x = 7,180,597.12/2,435.62
  6. Step 6: Final answer
    x = 2,948.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.