Home / 3,087.65-4,630.07-1,331.82

Finding the Fourth Proportional to 3,087.65, 4,630.07 and 1,331.82

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Solution

The fourth proportional to 3,087.65, 4,630.07 and 1,331.82 is: 1,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.65 : 4,630.07 = 1,331.82 : x
  2. Step 2: Convert to fraction form
    3,087.65/4,630.07 = 1,331.82/x
  3. Step 3: Cross multiply
    3,087.65x = 4,630.07 × 1,331.82
  4. Step 4: Simplify right side
    3,087.65x = 6,166,419.83
  5. Step 5: Solve for x
    x = 6,166,419.83/3,087.65
  6. Step 6: Final answer
    x = 1,997.13

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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.