Home / 3,254.61-4,491.39-1,857.45

Finding the Fourth Proportional to 3,254.61, 4,491.39 and 1,857.45

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Solution

The fourth proportional to 3,254.61, 4,491.39 and 1,857.45 is: 2,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.61 : 4,491.39 = 1,857.45 : x
  2. Step 2: Convert to fraction form
    3,254.61/4,491.39 = 1,857.45/x
  3. Step 3: Cross multiply
    3,254.61x = 4,491.39 × 1,857.45
  4. Step 4: Simplify right side
    3,254.61x = 8,342,532.36
  5. Step 5: Solve for x
    x = 8,342,532.36/3,254.61
  6. Step 6: Final answer
    x = 2,563.30

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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.