Home / 2,296.16-3,445.78-1,987.56

Finding the Fourth Proportional to 2,296.16, 3,445.78 and 1,987.56

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Solution

The fourth proportional to 2,296.16, 3,445.78 and 1,987.56 is: 2,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.16 : 3,445.78 = 1,987.56 : x
  2. Step 2: Convert to fraction form
    2,296.16/3,445.78 = 1,987.56/x
  3. Step 3: Cross multiply
    2,296.16x = 3,445.78 × 1,987.56
  4. Step 4: Simplify right side
    2,296.16x = 6,848,694.50
  5. Step 5: Solve for x
    x = 6,848,694.50/2,296.16
  6. Step 6: Final answer
    x = 2,982.67

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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.