Home / 3,045.30-4,202.48-1,648.04

Finding the Fourth Proportional to 3,045.30, 4,202.48 and 1,648.04

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Solution

The fourth proportional to 3,045.30, 4,202.48 and 1,648.04 is: 2,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.30 : 4,202.48 = 1,648.04 : x
  2. Step 2: Convert to fraction form
    3,045.30/4,202.48 = 1,648.04/x
  3. Step 3: Cross multiply
    3,045.30x = 4,202.48 × 1,648.04
  4. Step 4: Simplify right side
    3,045.30x = 6,925,855.14
  5. Step 5: Solve for x
    x = 6,925,855.14/3,045.30
  6. Step 6: Final answer
    x = 2,274.28

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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.