Home / 3,345.44-5,015.46-1,399.10

Finding the Fourth Proportional to 3,345.44, 5,015.46 and 1,399.10

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Solution

The fourth proportional to 3,345.44, 5,015.46 and 1,399.10 is: 2,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.44 : 5,015.46 = 1,399.10 : x
  2. Step 2: Convert to fraction form
    3,345.44/5,015.46 = 1,399.10/x
  3. Step 3: Cross multiply
    3,345.44x = 5,015.46 × 1,399.10
  4. Step 4: Simplify right side
    3,345.44x = 7,017,130.09
  5. Step 5: Solve for x
    x = 7,017,130.09/3,345.44
  6. Step 6: Final answer
    x = 2,097.52

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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.