Home / 1,900.14-2,622.51-1,404.22

Finding the Fourth Proportional to 1,900.14, 2,622.51 and 1,404.22

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Solution

The fourth proportional to 1,900.14, 2,622.51 and 1,404.22 is: 1,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.14 : 2,622.51 = 1,404.22 : x
  2. Step 2: Convert to fraction form
    1,900.14/2,622.51 = 1,404.22/x
  3. Step 3: Cross multiply
    1,900.14x = 2,622.51 × 1,404.22
  4. Step 4: Simplify right side
    1,900.14x = 3,682,580.99
  5. Step 5: Solve for x
    x = 3,682,580.99/1,900.14
  6. Step 6: Final answer
    x = 1,938.06

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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.