Home / 3,256.37-4,490.83-2,136.88

Finding the Fourth Proportional to 3,256.37, 4,490.83 and 2,136.88

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Solution

The fourth proportional to 3,256.37, 4,490.83 and 2,136.88 is: 2,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.37 : 4,490.83 = 2,136.88 : x
  2. Step 2: Convert to fraction form
    3,256.37/4,490.83 = 2,136.88/x
  3. Step 3: Cross multiply
    3,256.37x = 4,490.83 × 2,136.88
  4. Step 4: Simplify right side
    3,256.37x = 9,596,348.24
  5. Step 5: Solve for x
    x = 9,596,348.24/3,256.37
  6. Step 6: Final answer
    x = 2,946.95

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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.