Home / 1,722.36-2,582.58-1,019.86

Finding the Fourth Proportional to 1,722.36, 2,582.58 and 1,019.86

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Solution

The fourth proportional to 1,722.36, 2,582.58 and 1,019.86 is: 1,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.36 : 2,582.58 = 1,019.86 : x
  2. Step 2: Convert to fraction form
    1,722.36/2,582.58 = 1,019.86/x
  3. Step 3: Cross multiply
    1,722.36x = 2,582.58 × 1,019.86
  4. Step 4: Simplify right side
    1,722.36x = 2,633,870.04
  5. Step 5: Solve for x
    x = 2,633,870.04/1,722.36
  6. Step 6: Final answer
    x = 1,529.22

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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.