Home / 1,763.50-2,626.62-1,670.98

Finding the Fourth Proportional to 1,763.50, 2,626.62 and 1,670.98

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Solution

The fourth proportional to 1,763.50, 2,626.62 and 1,670.98 is: 2,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.50 : 2,626.62 = 1,670.98 : x
  2. Step 2: Convert to fraction form
    1,763.50/2,626.62 = 1,670.98/x
  3. Step 3: Cross multiply
    1,763.50x = 2,626.62 × 1,670.98
  4. Step 4: Simplify right side
    1,763.50x = 4,389,029.49
  5. Step 5: Solve for x
    x = 4,389,029.49/1,763.50
  6. Step 6: Final answer
    x = 2,488.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.