Home / 1,719.84-2,373.43-1,011.73

Finding the Fourth Proportional to 1,719.84, 2,373.43 and 1,011.73

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Solution

The fourth proportional to 1,719.84, 2,373.43 and 1,011.73 is: 1,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.84 : 2,373.43 = 1,011.73 : x
  2. Step 2: Convert to fraction form
    1,719.84/2,373.43 = 1,011.73/x
  3. Step 3: Cross multiply
    1,719.84x = 2,373.43 × 1,011.73
  4. Step 4: Simplify right side
    1,719.84x = 2,401,270.33
  5. Step 5: Solve for x
    x = 2,401,270.33/1,719.84
  6. Step 6: Final answer
    x = 1,396.22

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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.