Home / 3,530.89-5,296.45-1,310.28

Finding the Fourth Proportional to 3,530.89, 5,296.45 and 1,310.28

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Solution

The fourth proportional to 3,530.89, 5,296.45 and 1,310.28 is: 1,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.89 : 5,296.45 = 1,310.28 : x
  2. Step 2: Convert to fraction form
    3,530.89/5,296.45 = 1,310.28/x
  3. Step 3: Cross multiply
    3,530.89x = 5,296.45 × 1,310.28
  4. Step 4: Simplify right side
    3,530.89x = 6,939,832.51
  5. Step 5: Solve for x
    x = 6,939,832.51/3,530.89
  6. Step 6: Final answer
    x = 1,965.46

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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.