Home / 3,516.71-5,278.50-1,669.07

Finding the Fourth Proportional to 3,516.71, 5,278.50 and 1,669.07

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Solution

The fourth proportional to 3,516.71, 5,278.50 and 1,669.07 is: 2,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.71 : 5,278.50 = 1,669.07 : x
  2. Step 2: Convert to fraction form
    3,516.71/5,278.50 = 1,669.07/x
  3. Step 3: Cross multiply
    3,516.71x = 5,278.50 × 1,669.07
  4. Step 4: Simplify right side
    3,516.71x = 8,810,199.19
  5. Step 5: Solve for x
    x = 8,810,199.19/3,516.71
  6. Step 6: Final answer
    x = 2,505.24

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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.