Home / 2,074.28-2,862.45-1,190.03

Finding the Fourth Proportional to 2,074.28, 2,862.45 and 1,190.03

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Solution

The fourth proportional to 2,074.28, 2,862.45 and 1,190.03 is: 1,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.28 : 2,862.45 = 1,190.03 : x
  2. Step 2: Convert to fraction form
    2,074.28/2,862.45 = 1,190.03/x
  3. Step 3: Cross multiply
    2,074.28x = 2,862.45 × 1,190.03
  4. Step 4: Simplify right side
    2,074.28x = 3,406,387.06
  5. Step 5: Solve for x
    x = 3,406,387.06/2,074.28
  6. Step 6: Final answer
    x = 1,642.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.