Home / 2,127.59-3,189.44-895.09

Finding the Fourth Proportional to 2,127.59, 3,189.44 and 895.09

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Solution

The fourth proportional to 2,127.59, 3,189.44 and 895.09 is: 1,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.59 : 3,189.44 = 895.09 : x
  2. Step 2: Convert to fraction form
    2,127.59/3,189.44 = 895.09/x
  3. Step 3: Cross multiply
    2,127.59x = 3,189.44 × 895.09
  4. Step 4: Simplify right side
    2,127.59x = 2,854,825.64
  5. Step 5: Solve for x
    x = 2,854,825.64/2,127.59
  6. Step 6: Final answer
    x = 1,341.81

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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.