Home / 2,512.22-3,465.68-1,628.30

Finding the Fourth Proportional to 2,512.22, 3,465.68 and 1,628.30

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Solution

The fourth proportional to 2,512.22, 3,465.68 and 1,628.30 is: 2,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.22 : 3,465.68 = 1,628.30 : x
  2. Step 2: Convert to fraction form
    2,512.22/3,465.68 = 1,628.30/x
  3. Step 3: Cross multiply
    2,512.22x = 3,465.68 × 1,628.30
  4. Step 4: Simplify right side
    2,512.22x = 5,643,166.74
  5. Step 5: Solve for x
    x = 5,643,166.74/2,512.22
  6. Step 6: Final answer
    x = 2,246.29

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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.