Home / 3,071.16-4,606.70-1,838.91

Finding the Fourth Proportional to 3,071.16, 4,606.70 and 1,838.91

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Solution

The fourth proportional to 3,071.16, 4,606.70 and 1,838.91 is: 2,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.16 : 4,606.70 = 1,838.91 : x
  2. Step 2: Convert to fraction form
    3,071.16/4,606.70 = 1,838.91/x
  3. Step 3: Cross multiply
    3,071.16x = 4,606.70 × 1,838.91
  4. Step 4: Simplify right side
    3,071.16x = 8,471,297.50
  5. Step 5: Solve for x
    x = 8,471,297.50/3,071.16
  6. Step 6: Final answer
    x = 2,758.34

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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.