Home / 3,134.63-4,711.05-3,116.40

Finding the Fourth Proportional to 3,134.63, 4,711.05 and 3,116.40

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Solution

The fourth proportional to 3,134.63, 4,711.05 and 3,116.40 is: 4,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.63 : 4,711.05 = 3,116.40 : x
  2. Step 2: Convert to fraction form
    3,134.63/4,711.05 = 3,116.40/x
  3. Step 3: Cross multiply
    3,134.63x = 4,711.05 × 3,116.40
  4. Step 4: Simplify right side
    3,134.63x = 14,681,516.22
  5. Step 5: Solve for x
    x = 14,681,516.22/3,134.63
  6. Step 6: Final answer
    x = 4,683.65

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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.