Home / 3,695.12-5,515.08-3,098.96

Finding the Fourth Proportional to 3,695.12, 5,515.08 and 3,098.96

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Solution

The fourth proportional to 3,695.12, 5,515.08 and 3,098.96 is: 4,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.12 : 5,515.08 = 3,098.96 : x
  2. Step 2: Convert to fraction form
    3,695.12/5,515.08 = 3,098.96/x
  3. Step 3: Cross multiply
    3,695.12x = 5,515.08 × 3,098.96
  4. Step 4: Simplify right side
    3,695.12x = 17,091,012.32
  5. Step 5: Solve for x
    x = 17,091,012.32/3,695.12
  6. Step 6: Final answer
    x = 4,625.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.