Home / 3,059.73-4,220.75-2,312.30

Finding the Fourth Proportional to 3,059.73, 4,220.75 and 2,312.30

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Solution

The fourth proportional to 3,059.73, 4,220.75 and 2,312.30 is: 3,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.73 : 4,220.75 = 2,312.30 : x
  2. Step 2: Convert to fraction form
    3,059.73/4,220.75 = 2,312.30/x
  3. Step 3: Cross multiply
    3,059.73x = 4,220.75 × 2,312.30
  4. Step 4: Simplify right side
    3,059.73x = 9,759,607.56
  5. Step 5: Solve for x
    x = 9,759,607.56/3,059.73
  6. Step 6: Final answer
    x = 3,189.70

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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.