Home / 3,258.69-4,492.82-2,137.70

Finding the Fourth Proportional to 3,258.69, 4,492.82 and 2,137.70

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Solution

The fourth proportional to 3,258.69, 4,492.82 and 2,137.70 is: 2,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.69 : 4,492.82 = 2,137.70 : x
  2. Step 2: Convert to fraction form
    3,258.69/4,492.82 = 2,137.70/x
  3. Step 3: Cross multiply
    3,258.69x = 4,492.82 × 2,137.70
  4. Step 4: Simplify right side
    3,258.69x = 9,604,268.16
  5. Step 5: Solve for x
    x = 9,604,268.16/3,258.69
  6. Step 6: Final answer
    x = 2,947.28

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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.