Home / 3,675.87-5,512.64-1,210.14

Finding the Fourth Proportional to 3,675.87, 5,512.64 and 1,210.14

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Solution

The fourth proportional to 3,675.87, 5,512.64 and 1,210.14 is: 1,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.87 : 5,512.64 = 1,210.14 : x
  2. Step 2: Convert to fraction form
    3,675.87/5,512.64 = 1,210.14/x
  3. Step 3: Cross multiply
    3,675.87x = 5,512.64 × 1,210.14
  4. Step 4: Simplify right side
    3,675.87x = 6,671,060.12
  5. Step 5: Solve for x
    x = 6,671,060.12/3,675.87
  6. Step 6: Final answer
    x = 1,814.82

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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.