Home / 2,960.07-4,083.62-1,840.20

Finding the Fourth Proportional to 2,960.07, 4,083.62 and 1,840.20

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Solution

The fourth proportional to 2,960.07, 4,083.62 and 1,840.20 is: 2,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.07 : 4,083.62 = 1,840.20 : x
  2. Step 2: Convert to fraction form
    2,960.07/4,083.62 = 1,840.20/x
  3. Step 3: Cross multiply
    2,960.07x = 4,083.62 × 1,840.20
  4. Step 4: Simplify right side
    2,960.07x = 7,514,668.32
  5. Step 5: Solve for x
    x = 7,514,668.32/2,960.07
  6. Step 6: Final answer
    x = 2,538.68

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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.