Home / 2,140.07-3,206.79-1,444.01

Finding the Fourth Proportional to 2,140.07, 3,206.79 and 1,444.01

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Solution

The fourth proportional to 2,140.07, 3,206.79 and 1,444.01 is: 2,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.07 : 3,206.79 = 1,444.01 : x
  2. Step 2: Convert to fraction form
    2,140.07/3,206.79 = 1,444.01/x
  3. Step 3: Cross multiply
    2,140.07x = 3,206.79 × 1,444.01
  4. Step 4: Simplify right side
    2,140.07x = 4,630,620.79
  5. Step 5: Solve for x
    x = 4,630,620.79/2,140.07
  6. Step 6: Final answer
    x = 2,163.78

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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.