Home / 2,354.49-3,249.63-1,515.06

Finding the Fourth Proportional to 2,354.49, 3,249.63 and 1,515.06

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Solution

The fourth proportional to 2,354.49, 3,249.63 and 1,515.06 is: 2,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.49 : 3,249.63 = 1,515.06 : x
  2. Step 2: Convert to fraction form
    2,354.49/3,249.63 = 1,515.06/x
  3. Step 3: Cross multiply
    2,354.49x = 3,249.63 × 1,515.06
  4. Step 4: Simplify right side
    2,354.49x = 4,923,384.43
  5. Step 5: Solve for x
    x = 4,923,384.43/2,354.49
  6. Step 6: Final answer
    x = 2,091.06

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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.