Home / 3,530.48-5,301.40-2,070.80

Finding the Fourth Proportional to 3,530.48, 5,301.40 and 2,070.80

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Solution

The fourth proportional to 3,530.48, 5,301.40 and 2,070.80 is: 3,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.48 : 5,301.40 = 2,070.80 : x
  2. Step 2: Convert to fraction form
    3,530.48/5,301.40 = 2,070.80/x
  3. Step 3: Cross multiply
    3,530.48x = 5,301.40 × 2,070.80
  4. Step 4: Simplify right side
    3,530.48x = 10,978,139.12
  5. Step 5: Solve for x
    x = 10,978,139.12/3,530.48
  6. Step 6: Final answer
    x = 3,109.53

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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.