Home / 3,655.81-5,045.97-2,257.75

Finding the Fourth Proportional to 3,655.81, 5,045.97 and 2,257.75

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Solution

The fourth proportional to 3,655.81, 5,045.97 and 2,257.75 is: 3,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.81 : 5,045.97 = 2,257.75 : x
  2. Step 2: Convert to fraction form
    3,655.81/5,045.97 = 2,257.75/x
  3. Step 3: Cross multiply
    3,655.81x = 5,045.97 × 2,257.75
  4. Step 4: Simplify right side
    3,655.81x = 11,392,538.77
  5. Step 5: Solve for x
    x = 11,392,538.77/3,655.81
  6. Step 6: Final answer
    x = 3,116.28

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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.