Home / 3,658.58-5,047.83-2,124.95

Finding the Fourth Proportional to 3,658.58, 5,047.83 and 2,124.95

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Solution

The fourth proportional to 3,658.58, 5,047.83 and 2,124.95 is: 2,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.58 : 5,047.83 = 2,124.95 : x
  2. Step 2: Convert to fraction form
    3,658.58/5,047.83 = 2,124.95/x
  3. Step 3: Cross multiply
    3,658.58x = 5,047.83 × 2,124.95
  4. Step 4: Simplify right side
    3,658.58x = 10,726,386.36
  5. Step 5: Solve for x
    x = 10,726,386.36/3,658.58
  6. Step 6: Final answer
    x = 2,931.84

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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.