Home / 1,368.07-2,052.24-546.15

Finding the Fourth Proportional to 1,368.07, 2,052.24 and 546.15

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Solution

The fourth proportional to 1,368.07, 2,052.24 and 546.15 is: 819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.07 : 2,052.24 = 546.15 : x
  2. Step 2: Convert to fraction form
    1,368.07/2,052.24 = 546.15/x
  3. Step 3: Cross multiply
    1,368.07x = 2,052.24 × 546.15
  4. Step 4: Simplify right side
    1,368.07x = 1,120,830.88
  5. Step 5: Solve for x
    x = 1,120,830.88/1,368.07
  6. Step 6: Final answer
    x = 819.28

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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.