Home / 3,106.36-4,658.56-1,025.98

Finding the Fourth Proportional to 3,106.36, 4,658.56 and 1,025.98

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Solution

The fourth proportional to 3,106.36, 4,658.56 and 1,025.98 is: 1,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.36 : 4,658.56 = 1,025.98 : x
  2. Step 2: Convert to fraction form
    3,106.36/4,658.56 = 1,025.98/x
  3. Step 3: Cross multiply
    3,106.36x = 4,658.56 × 1,025.98
  4. Step 4: Simplify right side
    3,106.36x = 4,779,575.18
  5. Step 5: Solve for x
    x = 4,779,575.18/3,106.36
  6. Step 6: Final answer
    x = 1,538.64

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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.