Home / 3,135.86-4,704.02-1,055.87

Finding the Fourth Proportional to 3,135.86, 4,704.02 and 1,055.87

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Solution

The fourth proportional to 3,135.86, 4,704.02 and 1,055.87 is: 1,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.86 : 4,704.02 = 1,055.87 : x
  2. Step 2: Convert to fraction form
    3,135.86/4,704.02 = 1,055.87/x
  3. Step 3: Cross multiply
    3,135.86x = 4,704.02 × 1,055.87
  4. Step 4: Simplify right side
    3,135.86x = 4,966,804.80
  5. Step 5: Solve for x
    x = 4,966,804.80/3,135.86
  6. Step 6: Final answer
    x = 1,583.88

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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.