Home / 2,283.66-3,150.45-1,620.90

Finding the Fourth Proportional to 2,283.66, 3,150.45 and 1,620.90

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Solution

The fourth proportional to 2,283.66, 3,150.45 and 1,620.90 is: 2,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.66 : 3,150.45 = 1,620.90 : x
  2. Step 2: Convert to fraction form
    2,283.66/3,150.45 = 1,620.90/x
  3. Step 3: Cross multiply
    2,283.66x = 3,150.45 × 1,620.90
  4. Step 4: Simplify right side
    2,283.66x = 5,106,564.41
  5. Step 5: Solve for x
    x = 5,106,564.41/2,283.66
  6. Step 6: Final answer
    x = 2,236.13

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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.