Home / 3,880.27-5,353.95-2,308.06

Finding the Fourth Proportional to 3,880.27, 5,353.95 and 2,308.06

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Solution

The fourth proportional to 3,880.27, 5,353.95 and 2,308.06 is: 3,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.27 : 5,353.95 = 2,308.06 : x
  2. Step 2: Convert to fraction form
    3,880.27/5,353.95 = 2,308.06/x
  3. Step 3: Cross multiply
    3,880.27x = 5,353.95 × 2,308.06
  4. Step 4: Simplify right side
    3,880.27x = 12,357,237.84
  5. Step 5: Solve for x
    x = 12,357,237.84/3,880.27
  6. Step 6: Final answer
    x = 3,184.63

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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.