Home / 2,087.35-3,130-1,046.90

Finding the Fourth Proportional to 2,087.35, 3,130 and 1,046.90

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Solution

The fourth proportional to 2,087.35, 3,130 and 1,046.90 is: 1,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.35 : 3,130 = 1,046.90 : x
  2. Step 2: Convert to fraction form
    2,087.35/3,130 = 1,046.90/x
  3. Step 3: Cross multiply
    2,087.35x = 3,130 × 1,046.90
  4. Step 4: Simplify right side
    2,087.35x = 3,276,797.00
  5. Step 5: Solve for x
    x = 3,276,797.00/2,087.35
  6. Step 6: Final answer
    x = 1,569.84

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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.