Home / 3,353.01-5,028.85-1,686.69

Finding the Fourth Proportional to 3,353.01, 5,028.85 and 1,686.69

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Solution

The fourth proportional to 3,353.01, 5,028.85 and 1,686.69 is: 2,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.01 : 5,028.85 = 1,686.69 : x
  2. Step 2: Convert to fraction form
    3,353.01/5,028.85 = 1,686.69/x
  3. Step 3: Cross multiply
    3,353.01x = 5,028.85 × 1,686.69
  4. Step 4: Simplify right side
    3,353.01x = 8,482,111.01
  5. Step 5: Solve for x
    x = 8,482,111.01/3,353.01
  6. Step 6: Final answer
    x = 2,529.70

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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.