Home / 3,311.57-4,570.40-2,136.05

Finding the Fourth Proportional to 3,311.57, 4,570.40 and 2,136.05

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Solution

The fourth proportional to 3,311.57, 4,570.40 and 2,136.05 is: 2,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.57 : 4,570.40 = 2,136.05 : x
  2. Step 2: Convert to fraction form
    3,311.57/4,570.40 = 2,136.05/x
  3. Step 3: Cross multiply
    3,311.57x = 4,570.40 × 2,136.05
  4. Step 4: Simplify right side
    3,311.57x = 9,762,622.25
  5. Step 5: Solve for x
    x = 9,762,622.25/3,311.57
  6. Step 6: Final answer
    x = 2,948.04

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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.