Home / 1,828.44-2,526.75-1,385.55

Finding the Fourth Proportional to 1,828.44, 2,526.75 and 1,385.55

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Solution

The fourth proportional to 1,828.44, 2,526.75 and 1,385.55 is: 1,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.44 : 2,526.75 = 1,385.55 : x
  2. Step 2: Convert to fraction form
    1,828.44/2,526.75 = 1,385.55/x
  3. Step 3: Cross multiply
    1,828.44x = 2,526.75 × 1,385.55
  4. Step 4: Simplify right side
    1,828.44x = 3,500,938.46
  5. Step 5: Solve for x
    x = 3,500,938.46/1,828.44
  6. Step 6: Final answer
    x = 1,914.71

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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.