Home / 2,830.52-4,240.02-1,292.60

Finding the Fourth Proportional to 2,830.52, 4,240.02 and 1,292.60

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Solution

The fourth proportional to 2,830.52, 4,240.02 and 1,292.60 is: 1,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.52 : 4,240.02 = 1,292.60 : x
  2. Step 2: Convert to fraction form
    2,830.52/4,240.02 = 1,292.60/x
  3. Step 3: Cross multiply
    2,830.52x = 4,240.02 × 1,292.60
  4. Step 4: Simplify right side
    2,830.52x = 5,480,649.85
  5. Step 5: Solve for x
    x = 5,480,649.85/2,830.52
  6. Step 6: Final answer
    x = 1,936.27

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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.