Home / 2,879.51-4,316.06-1,644.20

Finding the Fourth Proportional to 2,879.51, 4,316.06 and 1,644.20

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Solution

The fourth proportional to 2,879.51, 4,316.06 and 1,644.20 is: 2,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.51 : 4,316.06 = 1,644.20 : x
  2. Step 2: Convert to fraction form
    2,879.51/4,316.06 = 1,644.20/x
  3. Step 3: Cross multiply
    2,879.51x = 4,316.06 × 1,644.20
  4. Step 4: Simplify right side
    2,879.51x = 7,096,459.94
  5. Step 5: Solve for x
    x = 7,096,459.94/2,879.51
  6. Step 6: Final answer
    x = 2,464.47

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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.