Home / 3,025.10-4,174.34-1,698.50

Finding the Fourth Proportional to 3,025.10, 4,174.34 and 1,698.50

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Solution

The fourth proportional to 3,025.10, 4,174.34 and 1,698.50 is: 2,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.10 : 4,174.34 = 1,698.50 : x
  2. Step 2: Convert to fraction form
    3,025.10/4,174.34 = 1,698.50/x
  3. Step 3: Cross multiply
    3,025.10x = 4,174.34 × 1,698.50
  4. Step 4: Simplify right side
    3,025.10x = 7,090,116.49
  5. Step 5: Solve for x
    x = 7,090,116.49/3,025.10
  6. Step 6: Final answer
    x = 2,343.76

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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.