Home / 2,147.91-2,964.06-1,400.44

Finding the Fourth Proportional to 2,147.91, 2,964.06 and 1,400.44

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Solution

The fourth proportional to 2,147.91, 2,964.06 and 1,400.44 is: 1,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.91 : 2,964.06 = 1,400.44 : x
  2. Step 2: Convert to fraction form
    2,147.91/2,964.06 = 1,400.44/x
  3. Step 3: Cross multiply
    2,147.91x = 2,964.06 × 1,400.44
  4. Step 4: Simplify right side
    2,147.91x = 4,150,988.19
  5. Step 5: Solve for x
    x = 4,150,988.19/2,147.91
  6. Step 6: Final answer
    x = 1,932.57

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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.