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Finding the Fourth Proportional to 3,068.78, 4,604.52 and 1,607.58

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Solution

The fourth proportional to 3,068.78, 4,604.52 and 1,607.58 is: 2,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.78 : 4,604.52 = 1,607.58 : x
  2. Step 2: Convert to fraction form
    3,068.78/4,604.52 = 1,607.58/x
  3. Step 3: Cross multiply
    3,068.78x = 4,604.52 × 1,607.58
  4. Step 4: Simplify right side
    3,068.78x = 7,402,134.26
  5. Step 5: Solve for x
    x = 7,402,134.26/3,068.78
  6. Step 6: Final answer
    x = 2,412.08

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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.