Home / 3,511.04-5,251.07-3,123.77

Finding the Fourth Proportional to 3,511.04, 5,251.07 and 3,123.77

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Solution

The fourth proportional to 3,511.04, 5,251.07 and 3,123.77 is: 4,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.04 : 5,251.07 = 3,123.77 : x
  2. Step 2: Convert to fraction form
    3,511.04/5,251.07 = 3,123.77/x
  3. Step 3: Cross multiply
    3,511.04x = 5,251.07 × 3,123.77
  4. Step 4: Simplify right side
    3,511.04x = 16,403,106.19
  5. Step 5: Solve for x
    x = 16,403,106.19/3,511.04
  6. Step 6: Final answer
    x = 4,671.87

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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.