Home / 2,336.32-3,223.95-1,288.36

Finding the Fourth Proportional to 2,336.32, 3,223.95 and 1,288.36

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Solution

The fourth proportional to 2,336.32, 3,223.95 and 1,288.36 is: 1,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.32 : 3,223.95 = 1,288.36 : x
  2. Step 2: Convert to fraction form
    2,336.32/3,223.95 = 1,288.36/x
  3. Step 3: Cross multiply
    2,336.32x = 3,223.95 × 1,288.36
  4. Step 4: Simplify right side
    2,336.32x = 4,153,592.10
  5. Step 5: Solve for x
    x = 4,153,592.10/2,336.32
  6. Step 6: Final answer
    x = 1,777.84

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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.