Home / 2,975.30-4,457.14-1,413.08

Finding the Fourth Proportional to 2,975.30, 4,457.14 and 1,413.08

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Solution

The fourth proportional to 2,975.30, 4,457.14 and 1,413.08 is: 2,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.30 : 4,457.14 = 1,413.08 : x
  2. Step 2: Convert to fraction form
    2,975.30/4,457.14 = 1,413.08/x
  3. Step 3: Cross multiply
    2,975.30x = 4,457.14 × 1,413.08
  4. Step 4: Simplify right side
    2,975.30x = 6,298,266.04
  5. Step 5: Solve for x
    x = 6,298,266.04/2,975.30
  6. Step 6: Final answer
    x = 2,116.85

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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.