Home / 3,032.72-4,185.12-1,706.39

Finding the Fourth Proportional to 3,032.72, 4,185.12 and 1,706.39

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Solution

The fourth proportional to 3,032.72, 4,185.12 and 1,706.39 is: 2,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.72 : 4,185.12 = 1,706.39 : x
  2. Step 2: Convert to fraction form
    3,032.72/4,185.12 = 1,706.39/x
  3. Step 3: Cross multiply
    3,032.72x = 4,185.12 × 1,706.39
  4. Step 4: Simplify right side
    3,032.72x = 7,141,425.99
  5. Step 5: Solve for x
    x = 7,141,425.99/3,032.72
  6. Step 6: Final answer
    x = 2,354.80

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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.