Home / 1,722.96-2,582.60-1,478.74

Finding the Fourth Proportional to 1,722.96, 2,582.60 and 1,478.74

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Solution

The fourth proportional to 1,722.96, 2,582.60 and 1,478.74 is: 2,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.96 : 2,582.60 = 1,478.74 : x
  2. Step 2: Convert to fraction form
    1,722.96/2,582.60 = 1,478.74/x
  3. Step 3: Cross multiply
    1,722.96x = 2,582.60 × 1,478.74
  4. Step 4: Simplify right side
    1,722.96x = 3,818,993.92
  5. Step 5: Solve for x
    x = 3,818,993.92/1,722.96
  6. Step 6: Final answer
    x = 2,216.53

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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.