Home / 3,006.29-4,146.54-2,154.77

Finding the Fourth Proportional to 3,006.29, 4,146.54 and 2,154.77

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Solution

The fourth proportional to 3,006.29, 4,146.54 and 2,154.77 is: 2,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.29 : 4,146.54 = 2,154.77 : x
  2. Step 2: Convert to fraction form
    3,006.29/4,146.54 = 2,154.77/x
  3. Step 3: Cross multiply
    3,006.29x = 4,146.54 × 2,154.77
  4. Step 4: Simplify right side
    3,006.29x = 8,934,819.26
  5. Step 5: Solve for x
    x = 8,934,819.26/3,006.29
  6. Step 6: Final answer
    x = 2,972.05

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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.