Home / 2,336.09-3,223.98-1,288.35

Finding the Fourth Proportional to 2,336.09, 3,223.98 and 1,288.35

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Solution

The fourth proportional to 2,336.09, 3,223.98 and 1,288.35 is: 1,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.09 : 3,223.98 = 1,288.35 : x
  2. Step 2: Convert to fraction form
    2,336.09/3,223.98 = 1,288.35/x
  3. Step 3: Cross multiply
    2,336.09x = 3,223.98 × 1,288.35
  4. Step 4: Simplify right side
    2,336.09x = 4,153,614.63
  5. Step 5: Solve for x
    x = 4,153,614.63/2,336.09
  6. Step 6: Final answer
    x = 1,778.02

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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.