Home / 2,448.32-3,368.67-2,115.68

Finding the Fourth Proportional to 2,448.32, 3,368.67 and 2,115.68

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Solution

The fourth proportional to 2,448.32, 3,368.67 and 2,115.68 is: 2,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.32 : 3,368.67 = 2,115.68 : x
  2. Step 2: Convert to fraction form
    2,448.32/3,368.67 = 2,115.68/x
  3. Step 3: Cross multiply
    2,448.32x = 3,368.67 × 2,115.68
  4. Step 4: Simplify right side
    2,448.32x = 7,127,027.75
  5. Step 5: Solve for x
    x = 7,127,027.75/2,448.32
  6. Step 6: Final answer
    x = 2,910.99

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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.