Home / 2,074.18-2,862.26-1,190.28

Finding the Fourth Proportional to 2,074.18, 2,862.26 and 1,190.28

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Solution

The fourth proportional to 2,074.18, 2,862.26 and 1,190.28 is: 1,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.18 : 2,862.26 = 1,190.28 : x
  2. Step 2: Convert to fraction form
    2,074.18/2,862.26 = 1,190.28/x
  3. Step 3: Cross multiply
    2,074.18x = 2,862.26 × 1,190.28
  4. Step 4: Simplify right side
    2,074.18x = 3,406,890.83
  5. Step 5: Solve for x
    x = 3,406,890.83/2,074.18
  6. Step 6: Final answer
    x = 1,642.52

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1.5x scale

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.