Home / 1,713.90-2,362.41-1,215.75

Finding the Fourth Proportional to 1,713.90, 2,362.41 and 1,215.75

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Solution

The fourth proportional to 1,713.90, 2,362.41 and 1,215.75 is: 1,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.90 : 2,362.41 = 1,215.75 : x
  2. Step 2: Convert to fraction form
    1,713.90/2,362.41 = 1,215.75/x
  3. Step 3: Cross multiply
    1,713.90x = 2,362.41 × 1,215.75
  4. Step 4: Simplify right side
    1,713.90x = 2,872,099.96
  5. Step 5: Solve for x
    x = 2,872,099.96/1,713.90
  6. Step 6: Final answer
    x = 1,675.77

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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.