Home / 3,551.70-5,328.35-2,090.10

Finding the Fourth Proportional to 3,551.70, 5,328.35 and 2,090.10

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Solution

The fourth proportional to 3,551.70, 5,328.35 and 2,090.10 is: 3,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.70 : 5,328.35 = 2,090.10 : x
  2. Step 2: Convert to fraction form
    3,551.70/5,328.35 = 2,090.10/x
  3. Step 3: Cross multiply
    3,551.70x = 5,328.35 × 2,090.10
  4. Step 4: Simplify right side
    3,551.70x = 11,136,784.34
  5. Step 5: Solve for x
    x = 11,136,784.34/3,551.70
  6. Step 6: Final answer
    x = 3,135.62

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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.