Home / 3,658.08-5,038.02-3,160.56

Finding the Fourth Proportional to 3,658.08, 5,038.02 and 3,160.56

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Solution

The fourth proportional to 3,658.08, 5,038.02 and 3,160.56 is: 4,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.08 : 5,038.02 = 3,160.56 : x
  2. Step 2: Convert to fraction form
    3,658.08/5,038.02 = 3,160.56/x
  3. Step 3: Cross multiply
    3,658.08x = 5,038.02 × 3,160.56
  4. Step 4: Simplify right side
    3,658.08x = 15,922,964.49
  5. Step 5: Solve for x
    x = 15,922,964.49/3,658.08
  6. Step 6: Final answer
    x = 4,352.82

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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.