Home / 3,534.35-5,302.62-2,130.30

Finding the Fourth Proportional to 3,534.35, 5,302.62 and 2,130.30

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Solution

The fourth proportional to 3,534.35, 5,302.62 and 2,130.30 is: 3,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.35 : 5,302.62 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    3,534.35/5,302.62 = 2,130.30/x
  3. Step 3: Cross multiply
    3,534.35x = 5,302.62 × 2,130.30
  4. Step 4: Simplify right side
    3,534.35x = 11,296,171.39
  5. Step 5: Solve for x
    x = 11,296,171.39/3,534.35
  6. Step 6: Final answer
    x = 3,196.11

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1.5x scale

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.