Home / 3,865.02-5,331.30-2,292

Finding the Fourth Proportional to 3,865.02, 5,331.30 and 2,292

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Solution

The fourth proportional to 3,865.02, 5,331.30 and 2,292 is: 3,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.02 : 5,331.30 = 2,292 : x
  2. Step 2: Convert to fraction form
    3,865.02/5,331.30 = 2,292/x
  3. Step 3: Cross multiply
    3,865.02x = 5,331.30 × 2,292
  4. Step 4: Simplify right side
    3,865.02x = 12,219,339.60
  5. Step 5: Solve for x
    x = 12,219,339.60/3,865.02
  6. Step 6: Final answer
    x = 3,161.52

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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.