Home / 2,163.42-2,987.37-2,052.68

Finding the Fourth Proportional to 2,163.42, 2,987.37 and 2,052.68

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Solution

The fourth proportional to 2,163.42, 2,987.37 and 2,052.68 is: 2,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.42 : 2,987.37 = 2,052.68 : x
  2. Step 2: Convert to fraction form
    2,163.42/2,987.37 = 2,052.68/x
  3. Step 3: Cross multiply
    2,163.42x = 2,987.37 × 2,052.68
  4. Step 4: Simplify right side
    2,163.42x = 6,132,099.71
  5. Step 5: Solve for x
    x = 6,132,099.71/2,163.42
  6. Step 6: Final answer
    x = 2,834.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.