Home / 3,174.09-4,765.51-1,615.15

Finding the Fourth Proportional to 3,174.09, 4,765.51 and 1,615.15

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Solution

The fourth proportional to 3,174.09, 4,765.51 and 1,615.15 is: 2,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.09 : 4,765.51 = 1,615.15 : x
  2. Step 2: Convert to fraction form
    3,174.09/4,765.51 = 1,615.15/x
  3. Step 3: Cross multiply
    3,174.09x = 4,765.51 × 1,615.15
  4. Step 4: Simplify right side
    3,174.09x = 7,697,005.40
  5. Step 5: Solve for x
    x = 7,697,005.40/3,174.09
  6. Step 6: Final answer
    x = 2,424.95

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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.