Home / 2,548.28-3,516.77-1,603.71

Finding the Fourth Proportional to 2,548.28, 3,516.77 and 1,603.71

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Solution

The fourth proportional to 2,548.28, 3,516.77 and 1,603.71 is: 2,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.28 : 3,516.77 = 1,603.71 : x
  2. Step 2: Convert to fraction form
    2,548.28/3,516.77 = 1,603.71/x
  3. Step 3: Cross multiply
    2,548.28x = 3,516.77 × 1,603.71
  4. Step 4: Simplify right side
    2,548.28x = 5,639,871.20
  5. Step 5: Solve for x
    x = 5,639,871.20/2,548.28
  6. Step 6: Final answer
    x = 2,213.21

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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.