Home / 3,855.93-5,320.80-2,364.27

Finding the Fourth Proportional to 3,855.93, 5,320.80 and 2,364.27

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Solution

The fourth proportional to 3,855.93, 5,320.80 and 2,364.27 is: 3,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.93 : 5,320.80 = 2,364.27 : x
  2. Step 2: Convert to fraction form
    3,855.93/5,320.80 = 2,364.27/x
  3. Step 3: Cross multiply
    3,855.93x = 5,320.80 × 2,364.27
  4. Step 4: Simplify right side
    3,855.93x = 12,579,807.82
  5. Step 5: Solve for x
    x = 12,579,807.82/3,855.93
  6. Step 6: Final answer
    x = 3,262.46

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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.