Home / 3,278.64-4,915.01-1,197.17

Finding the Fourth Proportional to 3,278.64, 4,915.01 and 1,197.17

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Solution

The fourth proportional to 3,278.64, 4,915.01 and 1,197.17 is: 1,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.64 : 4,915.01 = 1,197.17 : x
  2. Step 2: Convert to fraction form
    3,278.64/4,915.01 = 1,197.17/x
  3. Step 3: Cross multiply
    3,278.64x = 4,915.01 × 1,197.17
  4. Step 4: Simplify right side
    3,278.64x = 5,884,071.96
  5. Step 5: Solve for x
    x = 5,884,071.96/3,278.64
  6. Step 6: Final answer
    x = 1,794.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.