Home / 3,258.99-4,888.68-1,615.08

Finding the Fourth Proportional to 3,258.99, 4,888.68 and 1,615.08

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Solution

The fourth proportional to 3,258.99, 4,888.68 and 1,615.08 is: 2,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.99 : 4,888.68 = 1,615.08 : x
  2. Step 2: Convert to fraction form
    3,258.99/4,888.68 = 1,615.08/x
  3. Step 3: Cross multiply
    3,258.99x = 4,888.68 × 1,615.08
  4. Step 4: Simplify right side
    3,258.99x = 7,895,609.29
  5. Step 5: Solve for x
    x = 7,895,609.29/3,258.99
  6. Step 6: Final answer
    x = 2,422.72

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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.