Home / 1,464.96-2,185.44-1,339.20

Finding the Fourth Proportional to 1,464.96, 2,185.44 and 1,339.20

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Solution

The fourth proportional to 1,464.96, 2,185.44 and 1,339.20 is: 1,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.96 : 2,185.44 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    1,464.96/2,185.44 = 1,339.20/x
  3. Step 3: Cross multiply
    1,464.96x = 2,185.44 × 1,339.20
  4. Step 4: Simplify right side
    1,464.96x = 2,926,741.25
  5. Step 5: Solve for x
    x = 2,926,741.25/1,464.96
  6. Step 6: Final answer
    x = 1,997.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.