Home / 3,254.94-4,491.54-1,910.70

Finding the Fourth Proportional to 3,254.94, 4,491.54 and 1,910.70

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Solution

The fourth proportional to 3,254.94, 4,491.54 and 1,910.70 is: 2,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.94 : 4,491.54 = 1,910.70 : x
  2. Step 2: Convert to fraction form
    3,254.94/4,491.54 = 1,910.70/x
  3. Step 3: Cross multiply
    3,254.94x = 4,491.54 × 1,910.70
  4. Step 4: Simplify right side
    3,254.94x = 8,581,985.48
  5. Step 5: Solve for x
    x = 8,581,985.48/3,254.94
  6. Step 6: Final answer
    x = 2,636.60

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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.