Home / 2,332.40-3,218.61-1,336.99

Finding the Fourth Proportional to 2,332.40, 3,218.61 and 1,336.99

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Solution

The fourth proportional to 2,332.40, 3,218.61 and 1,336.99 is: 1,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.40 : 3,218.61 = 1,336.99 : x
  2. Step 2: Convert to fraction form
    2,332.40/3,218.61 = 1,336.99/x
  3. Step 3: Cross multiply
    2,332.40x = 3,218.61 × 1,336.99
  4. Step 4: Simplify right side
    2,332.40x = 4,303,241.34
  5. Step 5: Solve for x
    x = 4,303,241.34/2,332.40
  6. Step 6: Final answer
    x = 1,844.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.