Home / 1,672.46-2,307.24-1,083.20

Finding the Fourth Proportional to 1,672.46, 2,307.24 and 1,083.20

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Solution

The fourth proportional to 1,672.46, 2,307.24 and 1,083.20 is: 1,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.46 : 2,307.24 = 1,083.20 : x
  2. Step 2: Convert to fraction form
    1,672.46/2,307.24 = 1,083.20/x
  3. Step 3: Cross multiply
    1,672.46x = 2,307.24 × 1,083.20
  4. Step 4: Simplify right side
    1,672.46x = 2,499,202.37
  5. Step 5: Solve for x
    x = 2,499,202.37/1,672.46
  6. Step 6: Final answer
    x = 1,494.33

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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.