Home / 3,084.64-4,254.11-2,186.60

Finding the Fourth Proportional to 3,084.64, 4,254.11 and 2,186.60

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Solution

The fourth proportional to 3,084.64, 4,254.11 and 2,186.60 is: 3,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.64 : 4,254.11 = 2,186.60 : x
  2. Step 2: Convert to fraction form
    3,084.64/4,254.11 = 2,186.60/x
  3. Step 3: Cross multiply
    3,084.64x = 4,254.11 × 2,186.60
  4. Step 4: Simplify right side
    3,084.64x = 9,302,031.46
  5. Step 5: Solve for x
    x = 9,302,031.46/3,084.64
  6. Step 6: Final answer
    x = 3,015.60

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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.