Home / 3,317.10-4,576.77-2,136.75

Finding the Fourth Proportional to 3,317.10, 4,576.77 and 2,136.75

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Solution

The fourth proportional to 3,317.10, 4,576.77 and 2,136.75 is: 2,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.10 : 4,576.77 = 2,136.75 : x
  2. Step 2: Convert to fraction form
    3,317.10/4,576.77 = 2,136.75/x
  3. Step 3: Cross multiply
    3,317.10x = 4,576.77 × 2,136.75
  4. Step 4: Simplify right side
    3,317.10x = 9,779,413.30
  5. Step 5: Solve for x
    x = 9,779,413.30/3,317.10
  6. Step 6: Final answer
    x = 2,948.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.