Home / 2,040.21-3,056.19-1,345.16

Finding the Fourth Proportional to 2,040.21, 3,056.19 and 1,345.16

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Solution

The fourth proportional to 2,040.21, 3,056.19 and 1,345.16 is: 2,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.21 : 3,056.19 = 1,345.16 : x
  2. Step 2: Convert to fraction form
    2,040.21/3,056.19 = 1,345.16/x
  3. Step 3: Cross multiply
    2,040.21x = 3,056.19 × 1,345.16
  4. Step 4: Simplify right side
    2,040.21x = 4,111,042.53
  5. Step 5: Solve for x
    x = 4,111,042.53/2,040.21
  6. Step 6: Final answer
    x = 2,015.01

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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.