Home / 1,773.31-2,653.47-1,678.26

Finding the Fourth Proportional to 1,773.31, 2,653.47 and 1,678.26

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Solution

The fourth proportional to 1,773.31, 2,653.47 and 1,678.26 is: 2,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.31 : 2,653.47 = 1,678.26 : x
  2. Step 2: Convert to fraction form
    1,773.31/2,653.47 = 1,678.26/x
  3. Step 3: Cross multiply
    1,773.31x = 2,653.47 × 1,678.26
  4. Step 4: Simplify right side
    1,773.31x = 4,453,207.59
  5. Step 5: Solve for x
    x = 4,453,207.59/1,773.31
  6. Step 6: Final answer
    x = 2,511.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.