Home / 2,949.70-4,423.36-1,305.13

Finding the Fourth Proportional to 2,949.70, 4,423.36 and 1,305.13

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Solution

The fourth proportional to 2,949.70, 4,423.36 and 1,305.13 is: 1,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.70 : 4,423.36 = 1,305.13 : x
  2. Step 2: Convert to fraction form
    2,949.70/4,423.36 = 1,305.13/x
  3. Step 3: Cross multiply
    2,949.70x = 4,423.36 × 1,305.13
  4. Step 4: Simplify right side
    2,949.70x = 5,773,059.84
  5. Step 5: Solve for x
    x = 5,773,059.84/2,949.70
  6. Step 6: Final answer
    x = 1,957.17

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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.