Home / 3,410.35-5,115.74-1,070.45

Finding the Fourth Proportional to 3,410.35, 5,115.74 and 1,070.45

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Solution

The fourth proportional to 3,410.35, 5,115.74 and 1,070.45 is: 1,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.35 : 5,115.74 = 1,070.45 : x
  2. Step 2: Convert to fraction form
    3,410.35/5,115.74 = 1,070.45/x
  3. Step 3: Cross multiply
    3,410.35x = 5,115.74 × 1,070.45
  4. Step 4: Simplify right side
    3,410.35x = 5,476,116.97
  5. Step 5: Solve for x
    x = 5,476,116.97/3,410.35
  6. Step 6: Final answer
    x = 1,605.74

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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.