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Finding the Fourth Proportional to 2,454.08, 3,681.78 and 894.22

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Solution

The fourth proportional to 2,454.08, 3,681.78 and 894.22 is: 1,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.08 : 3,681.78 = 894.22 : x
  2. Step 2: Convert to fraction form
    2,454.08/3,681.78 = 894.22/x
  3. Step 3: Cross multiply
    2,454.08x = 3,681.78 × 894.22
  4. Step 4: Simplify right side
    2,454.08x = 3,292,321.31
  5. Step 5: Solve for x
    x = 3,292,321.31/2,454.08
  6. Step 6: Final answer
    x = 1,341.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.