Home / 3,056.10-4,219.74-2,687.46

Finding the Fourth Proportional to 3,056.10, 4,219.74 and 2,687.46

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Solution

The fourth proportional to 3,056.10, 4,219.74 and 2,687.46 is: 3,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.10 : 4,219.74 = 2,687.46 : x
  2. Step 2: Convert to fraction form
    3,056.10/4,219.74 = 2,687.46/x
  3. Step 3: Cross multiply
    3,056.10x = 4,219.74 × 2,687.46
  4. Step 4: Simplify right side
    3,056.10x = 11,340,382.46
  5. Step 5: Solve for x
    x = 11,340,382.46/3,056.10
  6. Step 6: Final answer
    x = 3,710.74

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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.