Home / 3,392.10-5,087.48-1,637.10

Finding the Fourth Proportional to 3,392.10, 5,087.48 and 1,637.10

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Solution

The fourth proportional to 3,392.10, 5,087.48 and 1,637.10 is: 2,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.10 : 5,087.48 = 1,637.10 : x
  2. Step 2: Convert to fraction form
    3,392.10/5,087.48 = 1,637.10/x
  3. Step 3: Cross multiply
    3,392.10x = 5,087.48 × 1,637.10
  4. Step 4: Simplify right side
    3,392.10x = 8,328,705.32
  5. Step 5: Solve for x
    x = 8,328,705.32/3,392.10
  6. Step 6: Final answer
    x = 2,455.32

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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.