Home / 3,207.38-4,427.28-1,880.60

Finding the Fourth Proportional to 3,207.38, 4,427.28 and 1,880.60

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Solution

The fourth proportional to 3,207.38, 4,427.28 and 1,880.60 is: 2,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.38 : 4,427.28 = 1,880.60 : x
  2. Step 2: Convert to fraction form
    3,207.38/4,427.28 = 1,880.60/x
  3. Step 3: Cross multiply
    3,207.38x = 4,427.28 × 1,880.60
  4. Step 4: Simplify right side
    3,207.38x = 8,325,953.84
  5. Step 5: Solve for x
    x = 8,325,953.84/3,207.38
  6. Step 6: Final answer
    x = 2,595.87

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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.