Home / 3,254.02-4,491.21-2,206.42

Finding the Fourth Proportional to 3,254.02, 4,491.21 and 2,206.42

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Solution

The fourth proportional to 3,254.02, 4,491.21 and 2,206.42 is: 3,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.02 : 4,491.21 = 2,206.42 : x
  2. Step 2: Convert to fraction form
    3,254.02/4,491.21 = 2,206.42/x
  3. Step 3: Cross multiply
    3,254.02x = 4,491.21 × 2,206.42
  4. Step 4: Simplify right side
    3,254.02x = 9,909,495.57
  5. Step 5: Solve for x
    x = 9,909,495.57/3,254.02
  6. Step 6: Final answer
    x = 3,045.31

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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.