Home / 1,552.65-2,328.98-1,379.85

Finding the Fourth Proportional to 1,552.65, 2,328.98 and 1,379.85

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Solution

The fourth proportional to 1,552.65, 2,328.98 and 1,379.85 is: 2,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.65 : 2,328.98 = 1,379.85 : x
  2. Step 2: Convert to fraction form
    1,552.65/2,328.98 = 1,379.85/x
  3. Step 3: Cross multiply
    1,552.65x = 2,328.98 × 1,379.85
  4. Step 4: Simplify right side
    1,552.65x = 3,213,636.15
  5. Step 5: Solve for x
    x = 3,213,636.15/1,552.65
  6. Step 6: Final answer
    x = 2,069.78

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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.