Home / 2,783.04-4,166.40-2,141.28

Finding the Fourth Proportional to 2,783.04, 4,166.40 and 2,141.28

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Solution

The fourth proportional to 2,783.04, 4,166.40 and 2,141.28 is: 3,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.04 : 4,166.40 = 2,141.28 : x
  2. Step 2: Convert to fraction form
    2,783.04/4,166.40 = 2,141.28/x
  3. Step 3: Cross multiply
    2,783.04x = 4,166.40 × 2,141.28
  4. Step 4: Simplify right side
    2,783.04x = 8,921,428.99
  5. Step 5: Solve for x
    x = 8,921,428.99/2,783.04
  6. Step 6: Final answer
    x = 3,205.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.