Home / 2,448.12-3,669.30-2,160.12

Finding the Fourth Proportional to 2,448.12, 3,669.30 and 2,160.12

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Solution

The fourth proportional to 2,448.12, 3,669.30 and 2,160.12 is: 3,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.12 : 3,669.30 = 2,160.12 : x
  2. Step 2: Convert to fraction form
    2,448.12/3,669.30 = 2,160.12/x
  3. Step 3: Cross multiply
    2,448.12x = 3,669.30 × 2,160.12
  4. Step 4: Simplify right side
    2,448.12x = 7,926,128.32
  5. Step 5: Solve for x
    x = 7,926,128.32/2,448.12
  6. Step 6: Final answer
    x = 3,237.64

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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.