Home / 3,516.89-5,275.31-1,326.24

Finding the Fourth Proportional to 3,516.89, 5,275.31 and 1,326.24

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Solution

The fourth proportional to 3,516.89, 5,275.31 and 1,326.24 is: 1,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.89 : 5,275.31 = 1,326.24 : x
  2. Step 2: Convert to fraction form
    3,516.89/5,275.31 = 1,326.24/x
  3. Step 3: Cross multiply
    3,516.89x = 5,275.31 × 1,326.24
  4. Step 4: Simplify right side
    3,516.89x = 6,996,320.50
  5. Step 5: Solve for x
    x = 6,996,320.50/3,516.89
  6. Step 6: Final answer
    x = 1,989.35

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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.