Home / 2,074.19-2,862.35-1,190.18

Finding the Fourth Proportional to 2,074.19, 2,862.35 and 1,190.18

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Solution

The fourth proportional to 2,074.19, 2,862.35 and 1,190.18 is: 1,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.19 : 2,862.35 = 1,190.18 : x
  2. Step 2: Convert to fraction form
    2,074.19/2,862.35 = 1,190.18/x
  3. Step 3: Cross multiply
    2,074.19x = 2,862.35 × 1,190.18
  4. Step 4: Simplify right side
    2,074.19x = 3,406,691.46
  5. Step 5: Solve for x
    x = 3,406,691.46/2,074.19
  6. Step 6: Final answer
    x = 1,642.42

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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.