Home / 1,440.93-2,163.56-1,415.01

Finding the Fourth Proportional to 1,440.93, 2,163.56 and 1,415.01

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Solution

The fourth proportional to 1,440.93, 2,163.56 and 1,415.01 is: 2,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.93 : 2,163.56 = 1,415.01 : x
  2. Step 2: Convert to fraction form
    1,440.93/2,163.56 = 1,415.01/x
  3. Step 3: Cross multiply
    1,440.93x = 2,163.56 × 1,415.01
  4. Step 4: Simplify right side
    1,440.93x = 3,061,451.96
  5. Step 5: Solve for x
    x = 3,061,451.96/1,440.93
  6. Step 6: Final answer
    x = 2,124.64

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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.