Home / 3,607.65-5,385.38-3,170.25

Finding the Fourth Proportional to 3,607.65, 5,385.38 and 3,170.25

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Solution

The fourth proportional to 3,607.65, 5,385.38 and 3,170.25 is: 4,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.65 : 5,385.38 = 3,170.25 : x
  2. Step 2: Convert to fraction form
    3,607.65/5,385.38 = 3,170.25/x
  3. Step 3: Cross multiply
    3,607.65x = 5,385.38 × 3,170.25
  4. Step 4: Simplify right side
    3,607.65x = 17,072,985.09
  5. Step 5: Solve for x
    x = 17,072,985.09/3,607.65
  6. Step 6: Final answer
    x = 4,732.44

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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.