Home / 1,949.62-2,689.35-1,152.67

Finding the Fourth Proportional to 1,949.62, 2,689.35 and 1,152.67

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Solution

The fourth proportional to 1,949.62, 2,689.35 and 1,152.67 is: 1,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.62 : 2,689.35 = 1,152.67 : x
  2. Step 2: Convert to fraction form
    1,949.62/2,689.35 = 1,152.67/x
  3. Step 3: Cross multiply
    1,949.62x = 2,689.35 × 1,152.67
  4. Step 4: Simplify right side
    1,949.62x = 3,099,939.49
  5. Step 5: Solve for x
    x = 3,099,939.49/1,949.62
  6. Step 6: Final answer
    x = 1,590.02

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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.