Home / 1,413.23-2,120.18-591.04

Finding the Fourth Proportional to 1,413.23, 2,120.18 and 591.04

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Solution

The fourth proportional to 1,413.23, 2,120.18 and 591.04 is: 886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.23 : 2,120.18 = 591.04 : x
  2. Step 2: Convert to fraction form
    1,413.23/2,120.18 = 591.04/x
  3. Step 3: Cross multiply
    1,413.23x = 2,120.18 × 591.04
  4. Step 4: Simplify right side
    1,413.23x = 1,253,110.88
  5. Step 5: Solve for x
    x = 1,253,110.88/1,413.23
  6. Step 6: Final answer
    x = 886.70

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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.