Home / 1,413.37-2,117.31-795.19

Finding the Fourth Proportional to 1,413.37, 2,117.31 and 795.19

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Solution

The fourth proportional to 1,413.37, 2,117.31 and 795.19 is: 1,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.37 : 2,117.31 = 795.19 : x
  2. Step 2: Convert to fraction form
    1,413.37/2,117.31 = 795.19/x
  3. Step 3: Cross multiply
    1,413.37x = 2,117.31 × 795.19
  4. Step 4: Simplify right side
    1,413.37x = 1,683,663.74
  5. Step 5: Solve for x
    x = 1,683,663.74/1,413.37
  6. Step 6: Final answer
    x = 1,191.24

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1.5x scale

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.