Home / 3,577.48-4,936.90-2,005.57

Finding the Fourth Proportional to 3,577.48, 4,936.90 and 2,005.57

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Solution

The fourth proportional to 3,577.48, 4,936.90 and 2,005.57 is: 2,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.48 : 4,936.90 = 2,005.57 : x
  2. Step 2: Convert to fraction form
    3,577.48/4,936.90 = 2,005.57/x
  3. Step 3: Cross multiply
    3,577.48x = 4,936.90 × 2,005.57
  4. Step 4: Simplify right side
    3,577.48x = 9,901,298.53
  5. Step 5: Solve for x
    x = 9,901,298.53/3,577.48
  6. Step 6: Final answer
    x = 2,767.67

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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.