Home / 3,808.58-5,712.87-1,342.10

Finding the Fourth Proportional to 3,808.58, 5,712.87 and 1,342.10

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Solution

The fourth proportional to 3,808.58, 5,712.87 and 1,342.10 is: 2,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.58 : 5,712.87 = 1,342.10 : x
  2. Step 2: Convert to fraction form
    3,808.58/5,712.87 = 1,342.10/x
  3. Step 3: Cross multiply
    3,808.58x = 5,712.87 × 1,342.10
  4. Step 4: Simplify right side
    3,808.58x = 7,667,242.83
  5. Step 5: Solve for x
    x = 7,667,242.83/3,808.58
  6. Step 6: Final answer
    x = 2,013.15

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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.