Home / 3,925.58-5,417.33-2,133.08

Finding the Fourth Proportional to 3,925.58, 5,417.33 and 2,133.08

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Solution

The fourth proportional to 3,925.58, 5,417.33 and 2,133.08 is: 2,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.58 : 5,417.33 = 2,133.08 : x
  2. Step 2: Convert to fraction form
    3,925.58/5,417.33 = 2,133.08/x
  3. Step 3: Cross multiply
    3,925.58x = 5,417.33 × 2,133.08
  4. Step 4: Simplify right side
    3,925.58x = 11,555,571.60
  5. Step 5: Solve for x
    x = 11,555,571.60/3,925.58
  6. Step 6: Final answer
    x = 2,943.66

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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.