Home / 4,103.46-6,151.35-1,640.10

Finding the Fourth Proportional to 4,103.46, 6,151.35 and 1,640.10

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Solution

The fourth proportional to 4,103.46, 6,151.35 and 1,640.10 is: 2,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.46 : 6,151.35 = 1,640.10 : x
  2. Step 2: Convert to fraction form
    4,103.46/6,151.35 = 1,640.10/x
  3. Step 3: Cross multiply
    4,103.46x = 6,151.35 × 1,640.10
  4. Step 4: Simplify right side
    4,103.46x = 10,088,829.14
  5. Step 5: Solve for x
    x = 10,088,829.14/4,103.46
  6. Step 6: Final answer
    x = 2,458.62

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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.