Home / 2,560.29-3,533.81-1,628.25

Finding the Fourth Proportional to 2,560.29, 3,533.81 and 1,628.25

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Solution

The fourth proportional to 2,560.29, 3,533.81 and 1,628.25 is: 2,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.29 : 3,533.81 = 1,628.25 : x
  2. Step 2: Convert to fraction form
    2,560.29/3,533.81 = 1,628.25/x
  3. Step 3: Cross multiply
    2,560.29x = 3,533.81 × 1,628.25
  4. Step 4: Simplify right side
    2,560.29x = 5,753,917.99
  5. Step 5: Solve for x
    x = 5,753,917.99/2,560.29
  6. Step 6: Final answer
    x = 2,247.37

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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.