Home / 1,216.31-1,675.17-1,050.45

Finding the Fourth Proportional to 1,216.31, 1,675.17 and 1,050.45

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Solution

The fourth proportional to 1,216.31, 1,675.17 and 1,050.45 is: 1,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.31 : 1,675.17 = 1,050.45 : x
  2. Step 2: Convert to fraction form
    1,216.31/1,675.17 = 1,050.45/x
  3. Step 3: Cross multiply
    1,216.31x = 1,675.17 × 1,050.45
  4. Step 4: Simplify right side
    1,216.31x = 1,759,682.33
  5. Step 5: Solve for x
    x = 1,759,682.33/1,216.31
  6. Step 6: Final answer
    x = 1,446.74

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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.