Home / 2,930.49-4,043.97-1,810.85

Finding the Fourth Proportional to 2,930.49, 4,043.97 and 1,810.85

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Solution

The fourth proportional to 2,930.49, 4,043.97 and 1,810.85 is: 2,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.49 : 4,043.97 = 1,810.85 : x
  2. Step 2: Convert to fraction form
    2,930.49/4,043.97 = 1,810.85/x
  3. Step 3: Cross multiply
    2,930.49x = 4,043.97 × 1,810.85
  4. Step 4: Simplify right side
    2,930.49x = 7,323,002.85
  5. Step 5: Solve for x
    x = 7,323,002.85/2,930.49
  6. Step 6: Final answer
    x = 2,498.90

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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.