Home / 3,512.42-5,267.58-1,868.06

Finding the Fourth Proportional to 3,512.42, 5,267.58 and 1,868.06

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Solution

The fourth proportional to 3,512.42, 5,267.58 and 1,868.06 is: 2,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.42 : 5,267.58 = 1,868.06 : x
  2. Step 2: Convert to fraction form
    3,512.42/5,267.58 = 1,868.06/x
  3. Step 3: Cross multiply
    3,512.42x = 5,267.58 × 1,868.06
  4. Step 4: Simplify right side
    3,512.42x = 9,840,155.49
  5. Step 5: Solve for x
    x = 9,840,155.49/3,512.42
  6. Step 6: Final answer
    x = 2,801.53

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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.