Home / 2,106.19-2,905.23-1,663.93

Finding the Fourth Proportional to 2,106.19, 2,905.23 and 1,663.93

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Solution

The fourth proportional to 2,106.19, 2,905.23 and 1,663.93 is: 2,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.19 : 2,905.23 = 1,663.93 : x
  2. Step 2: Convert to fraction form
    2,106.19/2,905.23 = 1,663.93/x
  3. Step 3: Cross multiply
    2,106.19x = 2,905.23 × 1,663.93
  4. Step 4: Simplify right side
    2,106.19x = 4,834,099.35
  5. Step 5: Solve for x
    x = 4,834,099.35/2,106.19
  6. Step 6: Final answer
    x = 2,295.19

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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.