Home / 3,258.02-4,498.54-2,000.80

Finding the Fourth Proportional to 3,258.02, 4,498.54 and 2,000.80

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Solution

The fourth proportional to 3,258.02, 4,498.54 and 2,000.80 is: 2,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.02 : 4,498.54 = 2,000.80 : x
  2. Step 2: Convert to fraction form
    3,258.02/4,498.54 = 2,000.80/x
  3. Step 3: Cross multiply
    3,258.02x = 4,498.54 × 2,000.80
  4. Step 4: Simplify right side
    3,258.02x = 9,000,679.45
  5. Step 5: Solve for x
    x = 9,000,679.45/3,258.02
  6. Step 6: Final answer
    x = 2,762.62

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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.