Home / 3,810.42-5,715.60-2,056.86

Finding the Fourth Proportional to 3,810.42, 5,715.60 and 2,056.86

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Solution

The fourth proportional to 3,810.42, 5,715.60 and 2,056.86 is: 3,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.42 : 5,715.60 = 2,056.86 : x
  2. Step 2: Convert to fraction form
    3,810.42/5,715.60 = 2,056.86/x
  3. Step 3: Cross multiply
    3,810.42x = 5,715.60 × 2,056.86
  4. Step 4: Simplify right side
    3,810.42x = 11,756,189.02
  5. Step 5: Solve for x
    x = 11,756,189.02/3,810.42
  6. Step 6: Final answer
    x = 3,085.27

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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.