Home / 3,530.55-5,295.86-1,065.39

Finding the Fourth Proportional to 3,530.55, 5,295.86 and 1,065.39

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Solution

The fourth proportional to 3,530.55, 5,295.86 and 1,065.39 is: 1,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.55 : 5,295.86 = 1,065.39 : x
  2. Step 2: Convert to fraction form
    3,530.55/5,295.86 = 1,065.39/x
  3. Step 3: Cross multiply
    3,530.55x = 5,295.86 × 1,065.39
  4. Step 4: Simplify right side
    3,530.55x = 5,642,160.95
  5. Step 5: Solve for x
    x = 5,642,160.95/3,530.55
  6. Step 6: Final answer
    x = 1,598.10

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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.