Home / 2,997.29-4,134.65-1,877.99

Finding the Fourth Proportional to 2,997.29, 4,134.65 and 1,877.99

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Solution

The fourth proportional to 2,997.29, 4,134.65 and 1,877.99 is: 2,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.29 : 4,134.65 = 1,877.99 : x
  2. Step 2: Convert to fraction form
    2,997.29/4,134.65 = 1,877.99/x
  3. Step 3: Cross multiply
    2,997.29x = 4,134.65 × 1,877.99
  4. Step 4: Simplify right side
    2,997.29x = 7,764,801.29
  5. Step 5: Solve for x
    x = 7,764,801.29/2,997.29
  6. Step 6: Final answer
    x = 2,590.61

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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.