Home / 3,577.50-4,936.95-2,181.06

Finding the Fourth Proportional to 3,577.50, 4,936.95 and 2,181.06

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Solution

The fourth proportional to 3,577.50, 4,936.95 and 2,181.06 is: 3,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.50 : 4,936.95 = 2,181.06 : x
  2. Step 2: Convert to fraction form
    3,577.50/4,936.95 = 2,181.06/x
  3. Step 3: Cross multiply
    3,577.50x = 4,936.95 × 2,181.06
  4. Step 4: Simplify right side
    3,577.50x = 10,767,784.17
  5. Step 5: Solve for x
    x = 10,767,784.17/3,577.50
  6. Step 6: Final answer
    x = 3,009.86

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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.