Home / 3,205.02-4,424.67-2,215.62

Finding the Fourth Proportional to 3,205.02, 4,424.67 and 2,215.62

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Solution

The fourth proportional to 3,205.02, 4,424.67 and 2,215.62 is: 3,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.02 : 4,424.67 = 2,215.62 : x
  2. Step 2: Convert to fraction form
    3,205.02/4,424.67 = 2,215.62/x
  3. Step 3: Cross multiply
    3,205.02x = 4,424.67 × 2,215.62
  4. Step 4: Simplify right side
    3,205.02x = 9,803,387.35
  5. Step 5: Solve for x
    x = 9,803,387.35/3,205.02
  6. Step 6: Final answer
    x = 3,058.76

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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.