Home / 2,667.08-4,000.62-1,127

Finding the Fourth Proportional to 2,667.08, 4,000.62 and 1,127

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Solution

The fourth proportional to 2,667.08, 4,000.62 and 1,127 is: 1,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.08 : 4,000.62 = 1,127 : x
  2. Step 2: Convert to fraction form
    2,667.08/4,000.62 = 1,127/x
  3. Step 3: Cross multiply
    2,667.08x = 4,000.62 × 1,127
  4. Step 4: Simplify right side
    2,667.08x = 4,508,698.74
  5. Step 5: Solve for x
    x = 4,508,698.74/2,667.08
  6. Step 6: Final answer
    x = 1,690.50

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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.