Home / 3,174.19-4,762.65-1,875.66

Finding the Fourth Proportional to 3,174.19, 4,762.65 and 1,875.66

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Solution

The fourth proportional to 3,174.19, 4,762.65 and 1,875.66 is: 2,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.19 : 4,762.65 = 1,875.66 : x
  2. Step 2: Convert to fraction form
    3,174.19/4,762.65 = 1,875.66/x
  3. Step 3: Cross multiply
    3,174.19x = 4,762.65 × 1,875.66
  4. Step 4: Simplify right side
    3,174.19x = 8,933,090.72
  5. Step 5: Solve for x
    x = 8,933,090.72/3,174.19
  6. Step 6: Final answer
    x = 2,814.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.