Home / 3,258.80-4,887.12-1,503.08

Finding the Fourth Proportional to 3,258.80, 4,887.12 and 1,503.08

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Solution

The fourth proportional to 3,258.80, 4,887.12 and 1,503.08 is: 2,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.80 : 4,887.12 = 1,503.08 : x
  2. Step 2: Convert to fraction form
    3,258.80/4,887.12 = 1,503.08/x
  3. Step 3: Cross multiply
    3,258.80x = 4,887.12 × 1,503.08
  4. Step 4: Simplify right side
    3,258.80x = 7,345,732.33
  5. Step 5: Solve for x
    x = 7,345,732.33/3,258.80
  6. Step 6: Final answer
    x = 2,254.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.