Home / 1,582.92-2,185.10-1,418.90

Finding the Fourth Proportional to 1,582.92, 2,185.10 and 1,418.90

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Solution

The fourth proportional to 1,582.92, 2,185.10 and 1,418.90 is: 1,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.92 : 2,185.10 = 1,418.90 : x
  2. Step 2: Convert to fraction form
    1,582.92/2,185.10 = 1,418.90/x
  3. Step 3: Cross multiply
    1,582.92x = 2,185.10 × 1,418.90
  4. Step 4: Simplify right side
    1,582.92x = 3,100,420.37
  5. Step 5: Solve for x
    x = 3,100,420.37/1,582.92
  6. Step 6: Final answer
    x = 1,958.67

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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.