Home / 4,259.86-5,878.54-2,491.12

Finding the Fourth Proportional to 4,259.86, 5,878.54 and 2,491.12

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Solution

The fourth proportional to 4,259.86, 5,878.54 and 2,491.12 is: 3,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.86 : 5,878.54 = 2,491.12 : x
  2. Step 2: Convert to fraction form
    4,259.86/5,878.54 = 2,491.12/x
  3. Step 3: Cross multiply
    4,259.86x = 5,878.54 × 2,491.12
  4. Step 4: Simplify right side
    4,259.86x = 14,644,148.56
  5. Step 5: Solve for x
    x = 14,644,148.56/4,259.86
  6. Step 6: Final answer
    x = 3,437.71

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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.