Home / 3,146.57-4,715.82-1,298.98

Finding the Fourth Proportional to 3,146.57, 4,715.82 and 1,298.98

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Solution

The fourth proportional to 3,146.57, 4,715.82 and 1,298.98 is: 1,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.57 : 4,715.82 = 1,298.98 : x
  2. Step 2: Convert to fraction form
    3,146.57/4,715.82 = 1,298.98/x
  3. Step 3: Cross multiply
    3,146.57x = 4,715.82 × 1,298.98
  4. Step 4: Simplify right side
    3,146.57x = 6,125,756.89
  5. Step 5: Solve for x
    x = 6,125,756.89/3,146.57
  6. Step 6: Final answer
    x = 1,946.81

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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.