Home / 2,046.80-2,825.21-1,207.44

Finding the Fourth Proportional to 2,046.80, 2,825.21 and 1,207.44

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Solution

The fourth proportional to 2,046.80, 2,825.21 and 1,207.44 is: 1,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.80 : 2,825.21 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    2,046.80/2,825.21 = 1,207.44/x
  3. Step 3: Cross multiply
    2,046.80x = 2,825.21 × 1,207.44
  4. Step 4: Simplify right side
    2,046.80x = 3,411,271.56
  5. Step 5: Solve for x
    x = 3,411,271.56/2,046.80
  6. Step 6: Final answer
    x = 1,666.64

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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.