Home / 2,126.24-3,189.53-893.49

Finding the Fourth Proportional to 2,126.24, 3,189.53 and 893.49

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Solution

The fourth proportional to 2,126.24, 3,189.53 and 893.49 is: 1,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.24 : 3,189.53 = 893.49 : x
  2. Step 2: Convert to fraction form
    2,126.24/3,189.53 = 893.49/x
  3. Step 3: Cross multiply
    2,126.24x = 3,189.53 × 893.49
  4. Step 4: Simplify right side
    2,126.24x = 2,849,813.16
  5. Step 5: Solve for x
    x = 2,849,813.16/2,126.24
  6. Step 6: Final answer
    x = 1,340.31

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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.