Home / 3,214.64-4,436.28-1,798.28

Finding the Fourth Proportional to 3,214.64, 4,436.28 and 1,798.28

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Solution

The fourth proportional to 3,214.64, 4,436.28 and 1,798.28 is: 2,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.64 : 4,436.28 = 1,798.28 : x
  2. Step 2: Convert to fraction form
    3,214.64/4,436.28 = 1,798.28/x
  3. Step 3: Cross multiply
    3,214.64x = 4,436.28 × 1,798.28
  4. Step 4: Simplify right side
    3,214.64x = 7,977,651.42
  5. Step 5: Solve for x
    x = 7,977,651.42/3,214.64
  6. Step 6: Final answer
    x = 2,481.67

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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.