Home / 3,068.27-4,601.35-987.77

Finding the Fourth Proportional to 3,068.27, 4,601.35 and 987.77

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Solution

The fourth proportional to 3,068.27, 4,601.35 and 987.77 is: 1,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.27 : 4,601.35 = 987.77 : x
  2. Step 2: Convert to fraction form
    3,068.27/4,601.35 = 987.77/x
  3. Step 3: Cross multiply
    3,068.27x = 4,601.35 × 987.77
  4. Step 4: Simplify right side
    3,068.27x = 4,545,075.49
  5. Step 5: Solve for x
    x = 4,545,075.49/3,068.27
  6. Step 6: Final answer
    x = 1,481.32

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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.