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Finding the Fourth Proportional to 2,362.94, 3,543 and 719

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Solution

The fourth proportional to 2,362.94, 3,543 and 719 is: 1,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.94 : 3,543 = 719 : x
  2. Step 2: Convert to fraction form
    2,362.94/3,543 = 719/x
  3. Step 3: Cross multiply
    2,362.94x = 3,543 × 719
  4. Step 4: Simplify right side
    2,362.94x = 2,547,417
  5. Step 5: Solve for x
    x = 2,547,417/2,362.94
  6. Step 6: Final answer
    x = 1,078.07

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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.