Home / 2,197.70-3,032.73-1,313.99

Finding the Fourth Proportional to 2,197.70, 3,032.73 and 1,313.99

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Solution

The fourth proportional to 2,197.70, 3,032.73 and 1,313.99 is: 1,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.70 : 3,032.73 = 1,313.99 : x
  2. Step 2: Convert to fraction form
    2,197.70/3,032.73 = 1,313.99/x
  3. Step 3: Cross multiply
    2,197.70x = 3,032.73 × 1,313.99
  4. Step 4: Simplify right side
    2,197.70x = 3,984,961.73
  5. Step 5: Solve for x
    x = 3,984,961.73/2,197.70
  6. Step 6: Final answer
    x = 1,813.25

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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.