Home / 3,771.55-5,206.55-2,653.45

Finding the Fourth Proportional to 3,771.55, 5,206.55 and 2,653.45

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Solution

The fourth proportional to 3,771.55, 5,206.55 and 2,653.45 is: 3,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.55 : 5,206.55 = 2,653.45 : x
  2. Step 2: Convert to fraction form
    3,771.55/5,206.55 = 2,653.45/x
  3. Step 3: Cross multiply
    3,771.55x = 5,206.55 × 2,653.45
  4. Step 4: Simplify right side
    3,771.55x = 13,815,293.81
  5. Step 5: Solve for x
    x = 13,815,293.81/3,771.55
  6. Step 6: Final answer
    x = 3,663.03

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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.