Home / 3,332.36-4,998.50-1,280.36

Finding the Fourth Proportional to 3,332.36, 4,998.50 and 1,280.36

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Solution

The fourth proportional to 3,332.36, 4,998.50 and 1,280.36 is: 1,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.36 : 4,998.50 = 1,280.36 : x
  2. Step 2: Convert to fraction form
    3,332.36/4,998.50 = 1,280.36/x
  3. Step 3: Cross multiply
    3,332.36x = 4,998.50 × 1,280.36
  4. Step 4: Simplify right side
    3,332.36x = 6,399,879.46
  5. Step 5: Solve for x
    x = 6,399,879.46/3,332.36
  6. Step 6: Final answer
    x = 1,920.52

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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.