Home / 2,398.16-3,308.67-1,955.30

Finding the Fourth Proportional to 2,398.16, 3,308.67 and 1,955.30

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Solution

The fourth proportional to 2,398.16, 3,308.67 and 1,955.30 is: 2,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.16 : 3,308.67 = 1,955.30 : x
  2. Step 2: Convert to fraction form
    2,398.16/3,308.67 = 1,955.30/x
  3. Step 3: Cross multiply
    2,398.16x = 3,308.67 × 1,955.30
  4. Step 4: Simplify right side
    2,398.16x = 6,469,442.45
  5. Step 5: Solve for x
    x = 6,469,442.45/2,398.16
  6. Step 6: Final answer
    x = 2,697.67

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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.