Home / 3,381.77-4,666.69-1,869.27

Finding the Fourth Proportional to 3,381.77, 4,666.69 and 1,869.27

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Solution

The fourth proportional to 3,381.77, 4,666.69 and 1,869.27 is: 2,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.77 : 4,666.69 = 1,869.27 : x
  2. Step 2: Convert to fraction form
    3,381.77/4,666.69 = 1,869.27/x
  3. Step 3: Cross multiply
    3,381.77x = 4,666.69 × 1,869.27
  4. Step 4: Simplify right side
    3,381.77x = 8,723,319.96
  5. Step 5: Solve for x
    x = 8,723,319.96/3,381.77
  6. Step 6: Final answer
    x = 2,579.51

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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.