Home / 3,025.07-4,174.65-1,698.75

Finding the Fourth Proportional to 3,025.07, 4,174.65 and 1,698.75

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Solution

The fourth proportional to 3,025.07, 4,174.65 and 1,698.75 is: 2,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.07 : 4,174.65 = 1,698.75 : x
  2. Step 2: Convert to fraction form
    3,025.07/4,174.65 = 1,698.75/x
  3. Step 3: Cross multiply
    3,025.07x = 4,174.65 × 1,698.75
  4. Step 4: Simplify right side
    3,025.07x = 7,091,686.69
  5. Step 5: Solve for x
    x = 7,091,686.69/3,025.07
  6. Step 6: Final answer
    x = 2,344.31

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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.