Home / 1,413.41-2,120.50-591.25

Finding the Fourth Proportional to 1,413.41, 2,120.50 and 591.25

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Solution

The fourth proportional to 1,413.41, 2,120.50 and 591.25 is: 887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.41 : 2,120.50 = 591.25 : x
  2. Step 2: Convert to fraction form
    1,413.41/2,120.50 = 591.25/x
  3. Step 3: Cross multiply
    1,413.41x = 2,120.50 × 591.25
  4. Step 4: Simplify right side
    1,413.41x = 1,253,742.67
  5. Step 5: Solve for x
    x = 1,253,742.67/1,413.41
  6. Step 6: Final answer
    x = 887.03

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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.