Home / 3,530.41-5,293.93-1,307.72

Finding the Fourth Proportional to 3,530.41, 5,293.93 and 1,307.72

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Solution

The fourth proportional to 3,530.41, 5,293.93 and 1,307.72 is: 1,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.41 : 5,293.93 = 1,307.72 : x
  2. Step 2: Convert to fraction form
    3,530.41/5,293.93 = 1,307.72/x
  3. Step 3: Cross multiply
    3,530.41x = 5,293.93 × 1,307.72
  4. Step 4: Simplify right side
    3,530.41x = 6,922,945.13
  5. Step 5: Solve for x
    x = 6,922,945.13/3,530.41
  6. Step 6: Final answer
    x = 1,960.95

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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.