Home / 3,701.88-5,109.30-2,903.58

Finding the Fourth Proportional to 3,701.88, 5,109.30 and 2,903.58

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Solution

The fourth proportional to 3,701.88, 5,109.30 and 2,903.58 is: 4,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.88 : 5,109.30 = 2,903.58 : x
  2. Step 2: Convert to fraction form
    3,701.88/5,109.30 = 2,903.58/x
  3. Step 3: Cross multiply
    3,701.88x = 5,109.30 × 2,903.58
  4. Step 4: Simplify right side
    3,701.88x = 14,835,261.29
  5. Step 5: Solve for x
    x = 14,835,261.29/3,701.88
  6. Step 6: Final answer
    x = 4,007.49

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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.