Home / 3,087.39-4,631.07-1,237.18

Finding the Fourth Proportional to 3,087.39, 4,631.07 and 1,237.18

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Solution

The fourth proportional to 3,087.39, 4,631.07 and 1,237.18 is: 1,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.39 : 4,631.07 = 1,237.18 : x
  2. Step 2: Convert to fraction form
    3,087.39/4,631.07 = 1,237.18/x
  3. Step 3: Cross multiply
    3,087.39x = 4,631.07 × 1,237.18
  4. Step 4: Simplify right side
    3,087.39x = 5,729,461.00
  5. Step 5: Solve for x
    x = 5,729,461.00/3,087.39
  6. Step 6: Final answer
    x = 1,855.76

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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.