Home / 2,930.98-4,044.85-1,604.69

Finding the Fourth Proportional to 2,930.98, 4,044.85 and 1,604.69

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Solution

The fourth proportional to 2,930.98, 4,044.85 and 1,604.69 is: 2,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.98 : 4,044.85 = 1,604.69 : x
  2. Step 2: Convert to fraction form
    2,930.98/4,044.85 = 1,604.69/x
  3. Step 3: Cross multiply
    2,930.98x = 4,044.85 × 1,604.69
  4. Step 4: Simplify right side
    2,930.98x = 6,490,710.12
  5. Step 5: Solve for x
    x = 6,490,710.12/2,930.98
  6. Step 6: Final answer
    x = 2,214.52

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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.