Home / 1,748.63-2,413.25-1,225.91

Finding the Fourth Proportional to 1,748.63, 2,413.25 and 1,225.91

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Solution

The fourth proportional to 1,748.63, 2,413.25 and 1,225.91 is: 1,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.63 : 2,413.25 = 1,225.91 : x
  2. Step 2: Convert to fraction form
    1,748.63/2,413.25 = 1,225.91/x
  3. Step 3: Cross multiply
    1,748.63x = 2,413.25 × 1,225.91
  4. Step 4: Simplify right side
    1,748.63x = 2,958,409.11
  5. Step 5: Solve for x
    x = 2,958,409.11/1,748.63
  6. Step 6: Final answer
    x = 1,691.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.