Home / 3,703.59-5,105.03-2,508.21

Finding the Fourth Proportional to 3,703.59, 5,105.03 and 2,508.21

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Solution

The fourth proportional to 3,703.59, 5,105.03 and 2,508.21 is: 3,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.59 : 5,105.03 = 2,508.21 : x
  2. Step 2: Convert to fraction form
    3,703.59/5,105.03 = 2,508.21/x
  3. Step 3: Cross multiply
    3,703.59x = 5,105.03 × 2,508.21
  4. Step 4: Simplify right side
    3,703.59x = 12,804,474.76
  5. Step 5: Solve for x
    x = 12,804,474.76/3,703.59
  6. Step 6: Final answer
    x = 3,457.31

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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.