Home / 2,037.45-3,050.10-1,215.30

Finding the Fourth Proportional to 2,037.45, 3,050.10 and 1,215.30

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Solution

The fourth proportional to 2,037.45, 3,050.10 and 1,215.30 is: 1,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.45 : 3,050.10 = 1,215.30 : x
  2. Step 2: Convert to fraction form
    2,037.45/3,050.10 = 1,215.30/x
  3. Step 3: Cross multiply
    2,037.45x = 3,050.10 × 1,215.30
  4. Step 4: Simplify right side
    2,037.45x = 3,706,786.53
  5. Step 5: Solve for x
    x = 3,706,786.53/2,037.45
  6. Step 6: Final answer
    x = 1,819.33

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1.5x scale

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.