Home / 1,675.45-2,321.90-1,651.96

Finding the Fourth Proportional to 1,675.45, 2,321.90 and 1,651.96

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Solution

The fourth proportional to 1,675.45, 2,321.90 and 1,651.96 is: 2,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.45 : 2,321.90 = 1,651.96 : x
  2. Step 2: Convert to fraction form
    1,675.45/2,321.90 = 1,651.96/x
  3. Step 3: Cross multiply
    1,675.45x = 2,321.90 × 1,651.96
  4. Step 4: Simplify right side
    1,675.45x = 3,835,685.92
  5. Step 5: Solve for x
    x = 3,835,685.92/1,675.45
  6. Step 6: Final answer
    x = 2,289.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.