Home / 1,722.84-2,583.81-1,207.44

Finding the Fourth Proportional to 1,722.84, 2,583.81 and 1,207.44

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Solution

The fourth proportional to 1,722.84, 2,583.81 and 1,207.44 is: 1,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.84 : 2,583.81 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    1,722.84/2,583.81 = 1,207.44/x
  3. Step 3: Cross multiply
    1,722.84x = 2,583.81 × 1,207.44
  4. Step 4: Simplify right side
    1,722.84x = 3,119,795.55
  5. Step 5: Solve for x
    x = 3,119,795.55/1,722.84
  6. Step 6: Final answer
    x = 1,810.84

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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.