Home / 3,177.00-4,741.54-2,912.30

Finding the Fourth Proportional to 3,177.00, 4,741.54 and 2,912.30

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Solution

The fourth proportional to 3,177.00, 4,741.54 and 2,912.30 is: 4,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.00 : 4,741.54 = 2,912.30 : x
  2. Step 2: Convert to fraction form
    3,177.00/4,741.54 = 2,912.30/x
  3. Step 3: Cross multiply
    3,177.00x = 4,741.54 × 2,912.30
  4. Step 4: Simplify right side
    3,177.00x = 13,808,800.41
  5. Step 5: Solve for x
    x = 13,808,800.41/3,177.00
  6. Step 6: Final answer
    x = 4,346.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.