Home / 2,087.01-3,130.38-700.29

Finding the Fourth Proportional to 2,087.01, 3,130.38 and 700.29

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Solution

The fourth proportional to 2,087.01, 3,130.38 and 700.29 is: 1,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.01 : 3,130.38 = 700.29 : x
  2. Step 2: Convert to fraction form
    2,087.01/3,130.38 = 700.29/x
  3. Step 3: Cross multiply
    2,087.01x = 3,130.38 × 700.29
  4. Step 4: Simplify right side
    2,087.01x = 2,192,173.81
  5. Step 5: Solve for x
    x = 2,192,173.81/2,087.01
  6. Step 6: Final answer
    x = 1,050.39

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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.