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Finding the Fourth Proportional to 3,094.56, 4,642.52 and 903.49

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Solution

The fourth proportional to 3,094.56, 4,642.52 and 903.49 is: 1,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.56 : 4,642.52 = 903.49 : x
  2. Step 2: Convert to fraction form
    3,094.56/4,642.52 = 903.49/x
  3. Step 3: Cross multiply
    3,094.56x = 4,642.52 × 903.49
  4. Step 4: Simplify right side
    3,094.56x = 4,194,454.27
  5. Step 5: Solve for x
    x = 4,194,454.27/3,094.56
  6. Step 6: Final answer
    x = 1,355.43

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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.