Home / 3,255.69-4,883.64-947.19

Finding the Fourth Proportional to 3,255.69, 4,883.64 and 947.19

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Solution

The fourth proportional to 3,255.69, 4,883.64 and 947.19 is: 1,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.69 : 4,883.64 = 947.19 : x
  2. Step 2: Convert to fraction form
    3,255.69/4,883.64 = 947.19/x
  3. Step 3: Cross multiply
    3,255.69x = 4,883.64 × 947.19
  4. Step 4: Simplify right side
    3,255.69x = 4,625,730.24
  5. Step 5: Solve for x
    x = 4,625,730.24/3,255.69
  6. Step 6: Final answer
    x = 1,420.81

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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.