Home / 2,059.80-3,086.40-1,646.76

Finding the Fourth Proportional to 2,059.80, 3,086.40 and 1,646.76

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Solution

The fourth proportional to 2,059.80, 3,086.40 and 1,646.76 is: 2,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.80 : 3,086.40 = 1,646.76 : x
  2. Step 2: Convert to fraction form
    2,059.80/3,086.40 = 1,646.76/x
  3. Step 3: Cross multiply
    2,059.80x = 3,086.40 × 1,646.76
  4. Step 4: Simplify right side
    2,059.80x = 5,082,560.06
  5. Step 5: Solve for x
    x = 5,082,560.06/2,059.80
  6. Step 6: Final answer
    x = 2,467.50

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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.