Home / 2,359.42-3,256.00-1,311.48

Finding the Fourth Proportional to 2,359.42, 3,256.00 and 1,311.48

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Solution

The fourth proportional to 2,359.42, 3,256.00 and 1,311.48 is: 1,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.42 : 3,256.00 = 1,311.48 : x
  2. Step 2: Convert to fraction form
    2,359.42/3,256.00 = 1,311.48/x
  3. Step 3: Cross multiply
    2,359.42x = 3,256.00 × 1,311.48
  4. Step 4: Simplify right side
    2,359.42x = 4,270,175.60
  5. Step 5: Solve for x
    x = 4,270,175.60/2,359.42
  6. Step 6: Final answer
    x = 1,809.84

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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.