Home / 3,805.30-5,705.01-2,415.74

Finding the Fourth Proportional to 3,805.30, 5,705.01 and 2,415.74

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Solution

The fourth proportional to 3,805.30, 5,705.01 and 2,415.74 is: 3,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.30 : 5,705.01 = 2,415.74 : x
  2. Step 2: Convert to fraction form
    3,805.30/5,705.01 = 2,415.74/x
  3. Step 3: Cross multiply
    3,805.30x = 5,705.01 × 2,415.74
  4. Step 4: Simplify right side
    3,805.30x = 13,781,808.78
  5. Step 5: Solve for x
    x = 13,781,808.78/3,805.30
  6. Step 6: Final answer
    x = 3,621.75

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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.