Home / 4,228.20-6,346.86-2,381.10

Finding the Fourth Proportional to 4,228.20, 6,346.86 and 2,381.10

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Solution

The fourth proportional to 4,228.20, 6,346.86 and 2,381.10 is: 3,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.20 : 6,346.86 = 2,381.10 : x
  2. Step 2: Convert to fraction form
    4,228.20/6,346.86 = 2,381.10/x
  3. Step 3: Cross multiply
    4,228.20x = 6,346.86 × 2,381.10
  4. Step 4: Simplify right side
    4,228.20x = 15,112,475.62
  5. Step 5: Solve for x
    x = 15,112,475.62/4,228.20
  6. Step 6: Final answer
    x = 3,574.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.