Home / 2,063.18-2,846.90-1,223.91

Finding the Fourth Proportional to 2,063.18, 2,846.90 and 1,223.91

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Solution

The fourth proportional to 2,063.18, 2,846.90 and 1,223.91 is: 1,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.18 : 2,846.90 = 1,223.91 : x
  2. Step 2: Convert to fraction form
    2,063.18/2,846.90 = 1,223.91/x
  3. Step 3: Cross multiply
    2,063.18x = 2,846.90 × 1,223.91
  4. Step 4: Simplify right side
    2,063.18x = 3,484,343.26
  5. Step 5: Solve for x
    x = 3,484,343.26/2,063.18
  6. Step 6: Final answer
    x = 1,688.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.