Home / 2,126.00-3,188.99-1,158.25

Finding the Fourth Proportional to 2,126.00, 3,188.99 and 1,158.25

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Solution

The fourth proportional to 2,126.00, 3,188.99 and 1,158.25 is: 1,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.00 : 3,188.99 = 1,158.25 : x
  2. Step 2: Convert to fraction form
    2,126.00/3,188.99 = 1,158.25/x
  3. Step 3: Cross multiply
    2,126.00x = 3,188.99 × 1,158.25
  4. Step 4: Simplify right side
    2,126.00x = 3,693,642.05
  5. Step 5: Solve for x
    x = 3,693,642.05/2,126.00
  6. Step 6: Final answer
    x = 1,737.37

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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.