Home / 3,486.15-5,225.72-1,538.01

Finding the Fourth Proportional to 3,486.15, 5,225.72 and 1,538.01

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Solution

The fourth proportional to 3,486.15, 5,225.72 and 1,538.01 is: 2,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.15 : 5,225.72 = 1,538.01 : x
  2. Step 2: Convert to fraction form
    3,486.15/5,225.72 = 1,538.01/x
  3. Step 3: Cross multiply
    3,486.15x = 5,225.72 × 1,538.01
  4. Step 4: Simplify right side
    3,486.15x = 8,037,201.93
  5. Step 5: Solve for x
    x = 8,037,201.93/3,486.15
  6. Step 6: Final answer
    x = 2,305.47

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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.