Home / 1,722.83-2,583.81-1,207.43

Finding the Fourth Proportional to 1,722.83, 2,583.81 and 1,207.43

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Solution

The fourth proportional to 1,722.83, 2,583.81 and 1,207.43 is: 1,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.83 : 2,583.81 = 1,207.43 : x
  2. Step 2: Convert to fraction form
    1,722.83/2,583.81 = 1,207.43/x
  3. Step 3: Cross multiply
    1,722.83x = 2,583.81 × 1,207.43
  4. Step 4: Simplify right side
    1,722.83x = 3,119,756.79
  5. Step 5: Solve for x
    x = 3,119,756.79/1,722.83
  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.