Home / 3,857.49-5,323.12-2,263.91

Finding the Fourth Proportional to 3,857.49, 5,323.12 and 2,263.91

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Solution

The fourth proportional to 3,857.49, 5,323.12 and 2,263.91 is: 3,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.49 : 5,323.12 = 2,263.91 : x
  2. Step 2: Convert to fraction form
    3,857.49/5,323.12 = 2,263.91/x
  3. Step 3: Cross multiply
    3,857.49x = 5,323.12 × 2,263.91
  4. Step 4: Simplify right side
    3,857.49x = 12,051,064.60
  5. Step 5: Solve for x
    x = 12,051,064.60/3,857.49
  6. Step 6: Final answer
    x = 3,124.07

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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.