Home / 3,021.69-4,170.25-1,695.52

Finding the Fourth Proportional to 3,021.69, 4,170.25 and 1,695.52

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Solution

The fourth proportional to 3,021.69, 4,170.25 and 1,695.52 is: 2,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.69 : 4,170.25 = 1,695.52 : x
  2. Step 2: Convert to fraction form
    3,021.69/4,170.25 = 1,695.52/x
  3. Step 3: Cross multiply
    3,021.69x = 4,170.25 × 1,695.52
  4. Step 4: Simplify right side
    3,021.69x = 7,070,742.28
  5. Step 5: Solve for x
    x = 7,070,742.28/3,021.69
  6. Step 6: Final answer
    x = 2,340.00

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Half scale
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Double scale
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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.