Home / 2,712.42-3,743.21-1,533.67

Finding the Fourth Proportional to 2,712.42, 3,743.21 and 1,533.67

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Solution

The fourth proportional to 2,712.42, 3,743.21 and 1,533.67 is: 2,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.42 : 3,743.21 = 1,533.67 : x
  2. Step 2: Convert to fraction form
    2,712.42/3,743.21 = 1,533.67/x
  3. Step 3: Cross multiply
    2,712.42x = 3,743.21 × 1,533.67
  4. Step 4: Simplify right side
    2,712.42x = 5,740,843.36
  5. Step 5: Solve for x
    x = 5,740,843.36/2,712.42
  6. Step 6: Final answer
    x = 2,116.50

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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.