Home / 3,063.15-4,227.75-1,945.40

Finding the Fourth Proportional to 3,063.15, 4,227.75 and 1,945.40

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Solution

The fourth proportional to 3,063.15, 4,227.75 and 1,945.40 is: 2,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.15 : 4,227.75 = 1,945.40 : x
  2. Step 2: Convert to fraction form
    3,063.15/4,227.75 = 1,945.40/x
  3. Step 3: Cross multiply
    3,063.15x = 4,227.75 × 1,945.40
  4. Step 4: Simplify right side
    3,063.15x = 8,224,643.71
  5. Step 5: Solve for x
    x = 8,224,643.71/3,063.15
  6. Step 6: Final answer
    x = 2,685.03

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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.