Home / 2,965.10-4,090.56-1,705.86

Finding the Fourth Proportional to 2,965.10, 4,090.56 and 1,705.86

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Solution

The fourth proportional to 2,965.10, 4,090.56 and 1,705.86 is: 2,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.10 : 4,090.56 = 1,705.86 : x
  2. Step 2: Convert to fraction form
    2,965.10/4,090.56 = 1,705.86/x
  3. Step 3: Cross multiply
    2,965.10x = 4,090.56 × 1,705.86
  4. Step 4: Simplify right side
    2,965.10x = 6,977,922.68
  5. Step 5: Solve for x
    x = 6,977,922.68/2,965.10
  6. Step 6: Final answer
    x = 2,353.35

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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.