Home / 3,316.11-4,580.87-3,141.15

Finding the Fourth Proportional to 3,316.11, 4,580.87 and 3,141.15

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Solution

The fourth proportional to 3,316.11, 4,580.87 and 3,141.15 is: 4,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.11 : 4,580.87 = 3,141.15 : x
  2. Step 2: Convert to fraction form
    3,316.11/4,580.87 = 3,141.15/x
  3. Step 3: Cross multiply
    3,316.11x = 4,580.87 × 3,141.15
  4. Step 4: Simplify right side
    3,316.11x = 14,389,184.09
  5. Step 5: Solve for x
    x = 14,389,184.09/3,316.11
  6. Step 6: Final answer
    x = 4,339.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.