Home / 1,749.60-2,623.68-1,677.60

Finding the Fourth Proportional to 1,749.60, 2,623.68 and 1,677.60

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Solution

The fourth proportional to 1,749.60, 2,623.68 and 1,677.60 is: 2,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.60 : 2,623.68 = 1,677.60 : x
  2. Step 2: Convert to fraction form
    1,749.60/2,623.68 = 1,677.60/x
  3. Step 3: Cross multiply
    1,749.60x = 2,623.68 × 1,677.60
  4. Step 4: Simplify right side
    1,749.60x = 4,401,485.57
  5. Step 5: Solve for x
    x = 4,401,485.57/1,749.60
  6. Step 6: Final answer
    x = 2,515.71

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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.