Home / 3,174.12-4,762.05-1,326.10

Finding the Fourth Proportional to 3,174.12, 4,762.05 and 1,326.10

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Solution

The fourth proportional to 3,174.12, 4,762.05 and 1,326.10 is: 1,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.12 : 4,762.05 = 1,326.10 : x
  2. Step 2: Convert to fraction form
    3,174.12/4,762.05 = 1,326.10/x
  3. Step 3: Cross multiply
    3,174.12x = 4,762.05 × 1,326.10
  4. Step 4: Simplify right side
    3,174.12x = 6,314,954.51
  5. Step 5: Solve for x
    x = 6,314,954.51/3,174.12
  6. Step 6: Final answer
    x = 1,989.51

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1.5x scale

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.