Home / 3,258.63-4,495.68-2,140.18

Finding the Fourth Proportional to 3,258.63, 4,495.68 and 2,140.18

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Solution

The fourth proportional to 3,258.63, 4,495.68 and 2,140.18 is: 2,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.63 : 4,495.68 = 2,140.18 : x
  2. Step 2: Convert to fraction form
    3,258.63/4,495.68 = 2,140.18/x
  3. Step 3: Cross multiply
    3,258.63x = 4,495.68 × 2,140.18
  4. Step 4: Simplify right side
    3,258.63x = 9,621,553.18
  5. Step 5: Solve for x
    x = 9,621,553.18/3,258.63
  6. Step 6: Final answer
    x = 2,952.64

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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.