Home / 1,546.50-2,320.08-450.81

Finding the Fourth Proportional to 1,546.50, 2,320.08 and 450.81

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Solution

The fourth proportional to 1,546.50, 2,320.08 and 450.81 is: 676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.50 : 2,320.08 = 450.81 : x
  2. Step 2: Convert to fraction form
    1,546.50/2,320.08 = 450.81/x
  3. Step 3: Cross multiply
    1,546.50x = 2,320.08 × 450.81
  4. Step 4: Simplify right side
    1,546.50x = 1,045,915.26
  5. Step 5: Solve for x
    x = 1,045,915.26/1,546.50
  6. Step 6: Final answer
    x = 676.31

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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.