Home / 2,898.50-4,003.20-1,952.64

Finding the Fourth Proportional to 2,898.50, 4,003.20 and 1,952.64

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Solution

The fourth proportional to 2,898.50, 4,003.20 and 1,952.64 is: 2,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.50 : 4,003.20 = 1,952.64 : x
  2. Step 2: Convert to fraction form
    2,898.50/4,003.20 = 1,952.64/x
  3. Step 3: Cross multiply
    2,898.50x = 4,003.20 × 1,952.64
  4. Step 4: Simplify right side
    2,898.50x = 7,816,808.45
  5. Step 5: Solve for x
    x = 7,816,808.45/2,898.50
  6. Step 6: Final answer
    x = 2,696.85

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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.