Home / 2,361.45-3,530.93-2,154.90

Finding the Fourth Proportional to 2,361.45, 3,530.93 and 2,154.90

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Solution

The fourth proportional to 2,361.45, 3,530.93 and 2,154.90 is: 3,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.45 : 3,530.93 = 2,154.90 : x
  2. Step 2: Convert to fraction form
    2,361.45/3,530.93 = 2,154.90/x
  3. Step 3: Cross multiply
    2,361.45x = 3,530.93 × 2,154.90
  4. Step 4: Simplify right side
    2,361.45x = 7,608,801.06
  5. Step 5: Solve for x
    x = 7,608,801.06/2,361.45
  6. Step 6: Final answer
    x = 3,222.09

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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.