Home / 3,352.64-4,628.24-2,158.30

Finding the Fourth Proportional to 3,352.64, 4,628.24 and 2,158.30

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Solution

The fourth proportional to 3,352.64, 4,628.24 and 2,158.30 is: 2,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.64 : 4,628.24 = 2,158.30 : x
  2. Step 2: Convert to fraction form
    3,352.64/4,628.24 = 2,158.30/x
  3. Step 3: Cross multiply
    3,352.64x = 4,628.24 × 2,158.30
  4. Step 4: Simplify right side
    3,352.64x = 9,989,107.45
  5. Step 5: Solve for x
    x = 9,989,107.45/3,352.64
  6. Step 6: Final answer
    x = 2,979.47

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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.