Home / 3,511.10-4,844.70-2,186.60

Finding the Fourth Proportional to 3,511.10, 4,844.70 and 2,186.60

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Solution

The fourth proportional to 3,511.10, 4,844.70 and 2,186.60 is: 3,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.10 : 4,844.70 = 2,186.60 : x
  2. Step 2: Convert to fraction form
    3,511.10/4,844.70 = 2,186.60/x
  3. Step 3: Cross multiply
    3,511.10x = 4,844.70 × 2,186.60
  4. Step 4: Simplify right side
    3,511.10x = 10,593,421.02
  5. Step 5: Solve for x
    x = 10,593,421.02/3,511.10
  6. Step 6: Final answer
    x = 3,017.12

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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.