Home / 2,962.91-4,089.67-2,078.93

Finding the Fourth Proportional to 2,962.91, 4,089.67 and 2,078.93

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Solution

The fourth proportional to 2,962.91, 4,089.67 and 2,078.93 is: 2,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.91 : 4,089.67 = 2,078.93 : x
  2. Step 2: Convert to fraction form
    2,962.91/4,089.67 = 2,078.93/x
  3. Step 3: Cross multiply
    2,962.91x = 4,089.67 × 2,078.93
  4. Step 4: Simplify right side
    2,962.91x = 8,502,142.68
  5. Step 5: Solve for x
    x = 8,502,142.68/2,962.91
  6. Step 6: Final answer
    x = 2,869.52

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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.