Home / 3,530.39-5,295.65-1,065.15

Finding the Fourth Proportional to 3,530.39, 5,295.65 and 1,065.15

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Solution

The fourth proportional to 3,530.39, 5,295.65 and 1,065.15 is: 1,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.39 : 5,295.65 = 1,065.15 : x
  2. Step 2: Convert to fraction form
    3,530.39/5,295.65 = 1,065.15/x
  3. Step 3: Cross multiply
    3,530.39x = 5,295.65 × 1,065.15
  4. Step 4: Simplify right side
    3,530.39x = 5,640,656.27
  5. Step 5: Solve for x
    x = 5,640,656.27/3,530.39
  6. Step 6: Final answer
    x = 1,597.75

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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.