Home / 2,939.40-4,412.10-2,873.26

Finding the Fourth Proportional to 2,939.40, 4,412.10 and 2,873.26

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Solution

The fourth proportional to 2,939.40, 4,412.10 and 2,873.26 is: 4,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.40 : 4,412.10 = 2,873.26 : x
  2. Step 2: Convert to fraction form
    2,939.40/4,412.10 = 2,873.26/x
  3. Step 3: Cross multiply
    2,939.40x = 4,412.10 × 2,873.26
  4. Step 4: Simplify right side
    2,939.40x = 12,677,110.45
  5. Step 5: Solve for x
    x = 12,677,110.45/2,939.40
  6. Step 6: Final answer
    x = 4,312.82

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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.