Home / 3,240.62-4,856.83-2,070.17

Finding the Fourth Proportional to 3,240.62, 4,856.83 and 2,070.17

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Solution

The fourth proportional to 3,240.62, 4,856.83 and 2,070.17 is: 3,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.62 : 4,856.83 = 2,070.17 : x
  2. Step 2: Convert to fraction form
    3,240.62/4,856.83 = 2,070.17/x
  3. Step 3: Cross multiply
    3,240.62x = 4,856.83 × 2,070.17
  4. Step 4: Simplify right side
    3,240.62x = 10,054,475.90
  5. Step 5: Solve for x
    x = 10,054,475.90/3,240.62
  6. Step 6: Final answer
    x = 3,102.64

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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.