Home / 2,930.18-4,043.72-1,604.00

Finding the Fourth Proportional to 2,930.18, 4,043.72 and 1,604.00

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Solution

The fourth proportional to 2,930.18, 4,043.72 and 1,604.00 is: 2,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.18 : 4,043.72 = 1,604.00 : x
  2. Step 2: Convert to fraction form
    2,930.18/4,043.72 = 1,604.00/x
  3. Step 3: Cross multiply
    2,930.18x = 4,043.72 × 1,604.00
  4. Step 4: Simplify right side
    2,930.18x = 6,486,141.00
  5. Step 5: Solve for x
    x = 6,486,141.00/2,930.18
  6. Step 6: Final answer
    x = 2,213.57

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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.