Home / 2,140.84-2,954.41-1,196.60

Finding the Fourth Proportional to 2,140.84, 2,954.41 and 1,196.60

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Solution

The fourth proportional to 2,140.84, 2,954.41 and 1,196.60 is: 1,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.84 : 2,954.41 = 1,196.60 : x
  2. Step 2: Convert to fraction form
    2,140.84/2,954.41 = 1,196.60/x
  3. Step 3: Cross multiply
    2,140.84x = 2,954.41 × 1,196.60
  4. Step 4: Simplify right side
    2,140.84x = 3,535,247.01
  5. Step 5: Solve for x
    x = 3,535,247.01/2,140.84
  6. Step 6: Final answer
    x = 1,651.34

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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.