Home / 3,778.02-5,655.51-2,801.70

Finding the Fourth Proportional to 3,778.02, 5,655.51 and 2,801.70

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Solution

The fourth proportional to 3,778.02, 5,655.51 and 2,801.70 is: 4,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.02 : 5,655.51 = 2,801.70 : x
  2. Step 2: Convert to fraction form
    3,778.02/5,655.51 = 2,801.70/x
  3. Step 3: Cross multiply
    3,778.02x = 5,655.51 × 2,801.70
  4. Step 4: Simplify right side
    3,778.02x = 15,845,042.37
  5. Step 5: Solve for x
    x = 15,845,042.37/3,778.02
  6. Step 6: Final answer
    x = 4,194.01

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1.5x scale

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.