Home / 3,254.68-4,491.18-1,857.40

Finding the Fourth Proportional to 3,254.68, 4,491.18 and 1,857.40

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Solution

The fourth proportional to 3,254.68, 4,491.18 and 1,857.40 is: 2,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.68 : 4,491.18 = 1,857.40 : x
  2. Step 2: Convert to fraction form
    3,254.68/4,491.18 = 1,857.40/x
  3. Step 3: Cross multiply
    3,254.68x = 4,491.18 × 1,857.40
  4. Step 4: Simplify right side
    3,254.68x = 8,341,917.73
  5. Step 5: Solve for x
    x = 8,341,917.73/3,254.68
  6. Step 6: Final answer
    x = 2,563.05

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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.