Home / 3,686.10-5,529.15-2,519.70

Finding the Fourth Proportional to 3,686.10, 5,529.15 and 2,519.70

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Solution

The fourth proportional to 3,686.10, 5,529.15 and 2,519.70 is: 3,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.10 : 5,529.15 = 2,519.70 : x
  2. Step 2: Convert to fraction form
    3,686.10/5,529.15 = 2,519.70/x
  3. Step 3: Cross multiply
    3,686.10x = 5,529.15 × 2,519.70
  4. Step 4: Simplify right side
    3,686.10x = 13,931,799.26
  5. Step 5: Solve for x
    x = 13,931,799.26/3,686.10
  6. Step 6: Final answer
    x = 3,779.55

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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.