Home / 3,847.04-5,308.80-2,803.52

Finding the Fourth Proportional to 3,847.04, 5,308.80 and 2,803.52

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Solution

The fourth proportional to 3,847.04, 5,308.80 and 2,803.52 is: 3,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.04 : 5,308.80 = 2,803.52 : x
  2. Step 2: Convert to fraction form
    3,847.04/5,308.80 = 2,803.52/x
  3. Step 3: Cross multiply
    3,847.04x = 5,308.80 × 2,803.52
  4. Step 4: Simplify right side
    3,847.04x = 14,883,326.98
  5. Step 5: Solve for x
    x = 14,883,326.98/3,847.04
  6. Step 6: Final answer
    x = 3,868.77

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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.