Home / 3,059.18-4,227.89-2,312.90

Finding the Fourth Proportional to 3,059.18, 4,227.89 and 2,312.90

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Solution

The fourth proportional to 3,059.18, 4,227.89 and 2,312.90 is: 3,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.18 : 4,227.89 = 2,312.90 : x
  2. Step 2: Convert to fraction form
    3,059.18/4,227.89 = 2,312.90/x
  3. Step 3: Cross multiply
    3,059.18x = 4,227.89 × 2,312.90
  4. Step 4: Simplify right side
    3,059.18x = 9,778,654.08
  5. Step 5: Solve for x
    x = 9,778,654.08/3,059.18
  6. Step 6: Final answer
    x = 3,196.50

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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.