Home / 2,900.49-4,001.73-1,641.42

Finding the Fourth Proportional to 2,900.49, 4,001.73 and 1,641.42

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Solution

The fourth proportional to 2,900.49, 4,001.73 and 1,641.42 is: 2,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.49 : 4,001.73 = 1,641.42 : x
  2. Step 2: Convert to fraction form
    2,900.49/4,001.73 = 1,641.42/x
  3. Step 3: Cross multiply
    2,900.49x = 4,001.73 × 1,641.42
  4. Step 4: Simplify right side
    2,900.49x = 6,568,519.66
  5. Step 5: Solve for x
    x = 6,568,519.66/2,900.49
  6. Step 6: Final answer
    x = 2,264.62

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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.