Home / 2,625.40-3,624.83-1,838.08

Finding the Fourth Proportional to 2,625.40, 3,624.83 and 1,838.08

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Solution

The fourth proportional to 2,625.40, 3,624.83 and 1,838.08 is: 2,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.40 : 3,624.83 = 1,838.08 : x
  2. Step 2: Convert to fraction form
    2,625.40/3,624.83 = 1,838.08/x
  3. Step 3: Cross multiply
    2,625.40x = 3,624.83 × 1,838.08
  4. Step 4: Simplify right side
    2,625.40x = 6,662,716.17
  5. Step 5: Solve for x
    x = 6,662,716.17/2,625.40
  6. Step 6: Final answer
    x = 2,537.79

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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.