Home / 1,900.54-2,622.43-1,270.06

Finding the Fourth Proportional to 1,900.54, 2,622.43 and 1,270.06

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Solution

The fourth proportional to 1,900.54, 2,622.43 and 1,270.06 is: 1,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.54 : 2,622.43 = 1,270.06 : x
  2. Step 2: Convert to fraction form
    1,900.54/2,622.43 = 1,270.06/x
  3. Step 3: Cross multiply
    1,900.54x = 2,622.43 × 1,270.06
  4. Step 4: Simplify right side
    1,900.54x = 3,330,633.71
  5. Step 5: Solve for x
    x = 3,330,633.71/1,900.54
  6. Step 6: Final answer
    x = 1,752.47

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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.