Home / 2,162.01-2,983.60-1,277.90

Finding the Fourth Proportional to 2,162.01, 2,983.60 and 1,277.90

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Solution

The fourth proportional to 2,162.01, 2,983.60 and 1,277.90 is: 1,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.01 : 2,983.60 = 1,277.90 : x
  2. Step 2: Convert to fraction form
    2,162.01/2,983.60 = 1,277.90/x
  3. Step 3: Cross multiply
    2,162.01x = 2,983.60 × 1,277.90
  4. Step 4: Simplify right side
    2,162.01x = 3,812,742.44
  5. Step 5: Solve for x
    x = 3,812,742.44/2,162.01
  6. Step 6: Final answer
    x = 1,763.52

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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.