Home / 3,711.71-5,563.31-1,518.09

Finding the Fourth Proportional to 3,711.71, 5,563.31 and 1,518.09

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Solution

The fourth proportional to 3,711.71, 5,563.31 and 1,518.09 is: 2,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.71 : 5,563.31 = 1,518.09 : x
  2. Step 2: Convert to fraction form
    3,711.71/5,563.31 = 1,518.09/x
  3. Step 3: Cross multiply
    3,711.71x = 5,563.31 × 1,518.09
  4. Step 4: Simplify right side
    3,711.71x = 8,445,597.69
  5. Step 5: Solve for x
    x = 8,445,597.69/3,711.71
  6. Step 6: Final answer
    x = 2,275.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.