Home / 2,429.16-3,645.60-1,880.04

Finding the Fourth Proportional to 2,429.16, 3,645.60 and 1,880.04

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Solution

The fourth proportional to 2,429.16, 3,645.60 and 1,880.04 is: 2,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.16 : 3,645.60 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    2,429.16/3,645.60 = 1,880.04/x
  3. Step 3: Cross multiply
    2,429.16x = 3,645.60 × 1,880.04
  4. Step 4: Simplify right side
    2,429.16x = 6,853,873.82
  5. Step 5: Solve for x
    x = 6,853,873.82/2,429.16
  6. Step 6: Final answer
    x = 2,821.50

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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.