Home / 3,895.44-5,840.84-1,555.84

Finding the Fourth Proportional to 3,895.44, 5,840.84 and 1,555.84

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Solution

The fourth proportional to 3,895.44, 5,840.84 and 1,555.84 is: 2,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.44 : 5,840.84 = 1,555.84 : x
  2. Step 2: Convert to fraction form
    3,895.44/5,840.84 = 1,555.84/x
  3. Step 3: Cross multiply
    3,895.44x = 5,840.84 × 1,555.84
  4. Step 4: Simplify right side
    3,895.44x = 9,087,412.51
  5. Step 5: Solve for x
    x = 9,087,412.51/3,895.44
  6. Step 6: Final answer
    x = 2,332.83

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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.