Home / 1,728.16-2,594.64-1,698.96

Finding the Fourth Proportional to 1,728.16, 2,594.64 and 1,698.96

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Solution

The fourth proportional to 1,728.16, 2,594.64 and 1,698.96 is: 2,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.16 : 2,594.64 = 1,698.96 : x
  2. Step 2: Convert to fraction form
    1,728.16/2,594.64 = 1,698.96/x
  3. Step 3: Cross multiply
    1,728.16x = 2,594.64 × 1,698.96
  4. Step 4: Simplify right side
    1,728.16x = 4,408,189.57
  5. Step 5: Solve for x
    x = 4,408,189.57/1,728.16
  6. Step 6: Final answer
    x = 2,550.80

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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.