Home / 2,645.37-3,648.56-1,759.64

Finding the Fourth Proportional to 2,645.37, 3,648.56 and 1,759.64

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Solution

The fourth proportional to 2,645.37, 3,648.56 and 1,759.64 is: 2,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.37 : 3,648.56 = 1,759.64 : x
  2. Step 2: Convert to fraction form
    2,645.37/3,648.56 = 1,759.64/x
  3. Step 3: Cross multiply
    2,645.37x = 3,648.56 × 1,759.64
  4. Step 4: Simplify right side
    2,645.37x = 6,420,125.08
  5. Step 5: Solve for x
    x = 6,420,125.08/2,645.37
  6. Step 6: Final answer
    x = 2,426.93

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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.