Home / 3,258.97-4,495.70-1,913.63

Finding the Fourth Proportional to 3,258.97, 4,495.70 and 1,913.63

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Solution

The fourth proportional to 3,258.97, 4,495.70 and 1,913.63 is: 2,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.97 : 4,495.70 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    3,258.97/4,495.70 = 1,913.63/x
  3. Step 3: Cross multiply
    3,258.97x = 4,495.70 × 1,913.63
  4. Step 4: Simplify right side
    3,258.97x = 8,603,088.70
  5. Step 5: Solve for x
    x = 8,603,088.70/3,258.97
  6. Step 6: Final answer
    x = 2,639.82

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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.