Home / 2,410.97-3,328.80-1,515.11

Finding the Fourth Proportional to 2,410.97, 3,328.80 and 1,515.11

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Solution

The fourth proportional to 2,410.97, 3,328.80 and 1,515.11 is: 2,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.97 : 3,328.80 = 1,515.11 : x
  2. Step 2: Convert to fraction form
    2,410.97/3,328.80 = 1,515.11/x
  3. Step 3: Cross multiply
    2,410.97x = 3,328.80 × 1,515.11
  4. Step 4: Simplify right side
    2,410.97x = 5,043,475.84
  5. Step 5: Solve for x
    x = 5,043,475.84/2,410.97
  6. Step 6: Final answer
    x = 2,091.89

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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.