Home / 3,865.58-5,332.32-2,448.84

Finding the Fourth Proportional to 3,865.58, 5,332.32 and 2,448.84

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Solution

The fourth proportional to 3,865.58, 5,332.32 and 2,448.84 is: 3,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.58 : 5,332.32 = 2,448.84 : x
  2. Step 2: Convert to fraction form
    3,865.58/5,332.32 = 2,448.84/x
  3. Step 3: Cross multiply
    3,865.58x = 5,332.32 × 2,448.84
  4. Step 4: Simplify right side
    3,865.58x = 13,057,998.51
  5. Step 5: Solve for x
    x = 13,057,998.51/3,865.58
  6. Step 6: Final answer
    x = 3,378.02

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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.