Home / 3,486.96-4,814.28-2,162.61

Finding the Fourth Proportional to 3,486.96, 4,814.28 and 2,162.61

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Solution

The fourth proportional to 3,486.96, 4,814.28 and 2,162.61 is: 2,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.96 : 4,814.28 = 2,162.61 : x
  2. Step 2: Convert to fraction form
    3,486.96/4,814.28 = 2,162.61/x
  3. Step 3: Cross multiply
    3,486.96x = 4,814.28 × 2,162.61
  4. Step 4: Simplify right side
    3,486.96x = 10,411,410.07
  5. Step 5: Solve for x
    x = 10,411,410.07/3,486.96
  6. Step 6: Final answer
    x = 2,985.81

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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.