Home / 3,102.40-4,658.64-2,946.48

Finding the Fourth Proportional to 3,102.40, 4,658.64 and 2,946.48

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Solution

The fourth proportional to 3,102.40, 4,658.64 and 2,946.48 is: 4,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.40 : 4,658.64 = 2,946.48 : x
  2. Step 2: Convert to fraction form
    3,102.40/4,658.64 = 2,946.48/x
  3. Step 3: Cross multiply
    3,102.40x = 4,658.64 × 2,946.48
  4. Step 4: Simplify right side
    3,102.40x = 13,726,589.59
  5. Step 5: Solve for x
    x = 13,726,589.59/3,102.40
  6. Step 6: Final answer
    x = 4,424.51

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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.