Home / 1,760.37-2,640.49-1,021.08

Finding the Fourth Proportional to 1,760.37, 2,640.49 and 1,021.08

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Solution

The fourth proportional to 1,760.37, 2,640.49 and 1,021.08 is: 1,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.37 : 2,640.49 = 1,021.08 : x
  2. Step 2: Convert to fraction form
    1,760.37/2,640.49 = 1,021.08/x
  3. Step 3: Cross multiply
    1,760.37x = 2,640.49 × 1,021.08
  4. Step 4: Simplify right side
    1,760.37x = 2,696,151.53
  5. Step 5: Solve for x
    x = 2,696,151.53/1,760.37
  6. Step 6: Final answer
    x = 1,531.58

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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.