Home / 1,413.09-2,119.80-591.93

Finding the Fourth Proportional to 1,413.09, 2,119.80 and 591.93

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Solution

The fourth proportional to 1,413.09, 2,119.80 and 591.93 is: 887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.09 : 2,119.80 = 591.93 : x
  2. Step 2: Convert to fraction form
    1,413.09/2,119.80 = 591.93/x
  3. Step 3: Cross multiply
    1,413.09x = 2,119.80 × 591.93
  4. Step 4: Simplify right side
    1,413.09x = 1,254,773.21
  5. Step 5: Solve for x
    x = 1,254,773.21/1,413.09
  6. Step 6: Final answer
    x = 887.96

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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.