Home / 4,134.81-6,196.93-1,938.70

Finding the Fourth Proportional to 4,134.81, 6,196.93 and 1,938.70

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Solution

The fourth proportional to 4,134.81, 6,196.93 and 1,938.70 is: 2,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.81 : 6,196.93 = 1,938.70 : x
  2. Step 2: Convert to fraction form
    4,134.81/6,196.93 = 1,938.70/x
  3. Step 3: Cross multiply
    4,134.81x = 6,196.93 × 1,938.70
  4. Step 4: Simplify right side
    4,134.81x = 12,013,988.19
  5. Step 5: Solve for x
    x = 12,013,988.19/4,134.81
  6. Step 6: Final answer
    x = 2,905.57

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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.