Home / 3,187.93-4,749.02-3,091.21

Finding the Fourth Proportional to 3,187.93, 4,749.02 and 3,091.21

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Solution

The fourth proportional to 3,187.93, 4,749.02 and 3,091.21 is: 4,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.93 : 4,749.02 = 3,091.21 : x
  2. Step 2: Convert to fraction form
    3,187.93/4,749.02 = 3,091.21/x
  3. Step 3: Cross multiply
    3,187.93x = 4,749.02 × 3,091.21
  4. Step 4: Simplify right side
    3,187.93x = 14,680,218.11
  5. Step 5: Solve for x
    x = 14,680,218.11/3,187.93
  6. Step 6: Final answer
    x = 4,604.94

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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.