Home / 2,455.34-3,385.05-1,668.02

Finding the Fourth Proportional to 2,455.34, 3,385.05 and 1,668.02

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Solution

The fourth proportional to 2,455.34, 3,385.05 and 1,668.02 is: 2,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.34 : 3,385.05 = 1,668.02 : x
  2. Step 2: Convert to fraction form
    2,455.34/3,385.05 = 1,668.02/x
  3. Step 3: Cross multiply
    2,455.34x = 3,385.05 × 1,668.02
  4. Step 4: Simplify right side
    2,455.34x = 5,646,314.18
  5. Step 5: Solve for x
    x = 5,646,314.18/2,455.34
  6. Step 6: Final answer
    x = 2,299.61

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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.