Home / 2,880.30-3,972.84-1,817.04

Finding the Fourth Proportional to 2,880.30, 3,972.84 and 1,817.04

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Solution

The fourth proportional to 2,880.30, 3,972.84 and 1,817.04 is: 2,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.30 : 3,972.84 = 1,817.04 : x
  2. Step 2: Convert to fraction form
    2,880.30/3,972.84 = 1,817.04/x
  3. Step 3: Cross multiply
    2,880.30x = 3,972.84 × 1,817.04
  4. Step 4: Simplify right side
    2,880.30x = 7,218,809.19
  5. Step 5: Solve for x
    x = 7,218,809.19/2,880.30
  6. Step 6: Final answer
    x = 2,506.27

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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.