Home / 2,079.32-2,868-1,450.08

Finding the Fourth Proportional to 2,079.32, 2,868 and 1,450.08

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Solution

The fourth proportional to 2,079.32, 2,868 and 1,450.08 is: 2,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.32 : 2,868 = 1,450.08 : x
  2. Step 2: Convert to fraction form
    2,079.32/2,868 = 1,450.08/x
  3. Step 3: Cross multiply
    2,079.32x = 2,868 × 1,450.08
  4. Step 4: Simplify right side
    2,079.32x = 4,158,829.44
  5. Step 5: Solve for x
    x = 4,158,829.44/2,079.32
  6. Step 6: Final answer
    x = 2,000.09

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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.