Home / 3,486.36-4,813.05-2,687.94

Finding the Fourth Proportional to 3,486.36, 4,813.05 and 2,687.94

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Solution

The fourth proportional to 3,486.36, 4,813.05 and 2,687.94 is: 3,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.36 : 4,813.05 = 2,687.94 : x
  2. Step 2: Convert to fraction form
    3,486.36/4,813.05 = 2,687.94/x
  3. Step 3: Cross multiply
    3,486.36x = 4,813.05 × 2,687.94
  4. Step 4: Simplify right side
    3,486.36x = 12,937,176.18
  5. Step 5: Solve for x
    x = 12,937,176.18/3,486.36
  6. Step 6: Final answer
    x = 3,710.80

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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.