Home / 2,984.31-4,110.48-2,967.89

Finding the Fourth Proportional to 2,984.31, 4,110.48 and 2,967.89

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Solution

The fourth proportional to 2,984.31, 4,110.48 and 2,967.89 is: 4,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.31 : 4,110.48 = 2,967.89 : x
  2. Step 2: Convert to fraction form
    2,984.31/4,110.48 = 2,967.89/x
  3. Step 3: Cross multiply
    2,984.31x = 4,110.48 × 2,967.89
  4. Step 4: Simplify right side
    2,984.31x = 12,199,431.93
  5. Step 5: Solve for x
    x = 12,199,431.93/2,984.31
  6. Step 6: Final answer
    x = 4,087.86

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1.5x scale

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.