Home / 3,577.40-4,937.09-2,085

Finding the Fourth Proportional to 3,577.40, 4,937.09 and 2,085

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Solution

The fourth proportional to 3,577.40, 4,937.09 and 2,085 is: 2,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.40 : 4,937.09 = 2,085 : x
  2. Step 2: Convert to fraction form
    3,577.40/4,937.09 = 2,085/x
  3. Step 3: Cross multiply
    3,577.40x = 4,937.09 × 2,085
  4. Step 4: Simplify right side
    3,577.40x = 10,293,832.65
  5. Step 5: Solve for x
    x = 10,293,832.65/3,577.40
  6. Step 6: Final answer
    x = 2,877.46

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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.