Home / 3,858.66-5,325.02-2,266.45

Finding the Fourth Proportional to 3,858.66, 5,325.02 and 2,266.45

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Solution

The fourth proportional to 3,858.66, 5,325.02 and 2,266.45 is: 3,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.66 : 5,325.02 = 2,266.45 : x
  2. Step 2: Convert to fraction form
    3,858.66/5,325.02 = 2,266.45/x
  3. Step 3: Cross multiply
    3,858.66x = 5,325.02 × 2,266.45
  4. Step 4: Simplify right side
    3,858.66x = 12,068,891.58
  5. Step 5: Solve for x
    x = 12,068,891.58/3,858.66
  6. Step 6: Final answer
    x = 3,127.74

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1.5x scale

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.