Home / 1,787.23-2,675.90-1,347.15

Finding the Fourth Proportional to 1,787.23, 2,675.90 and 1,347.15

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Solution

The fourth proportional to 1,787.23, 2,675.90 and 1,347.15 is: 2,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.23 : 2,675.90 = 1,347.15 : x
  2. Step 2: Convert to fraction form
    1,787.23/2,675.90 = 1,347.15/x
  3. Step 3: Cross multiply
    1,787.23x = 2,675.90 × 1,347.15
  4. Step 4: Simplify right side
    1,787.23x = 3,604,837.00
  5. Step 5: Solve for x
    x = 3,604,837.00/1,787.23
  6. Step 6: Final answer
    x = 2,016.99

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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.