Home / 2,278.74-3,419.18-1,182.51

Finding the Fourth Proportional to 2,278.74, 3,419.18 and 1,182.51

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Solution

The fourth proportional to 2,278.74, 3,419.18 and 1,182.51 is: 1,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.74 : 3,419.18 = 1,182.51 : x
  2. Step 2: Convert to fraction form
    2,278.74/3,419.18 = 1,182.51/x
  3. Step 3: Cross multiply
    2,278.74x = 3,419.18 × 1,182.51
  4. Step 4: Simplify right side
    2,278.74x = 4,043,214.54
  5. Step 5: Solve for x
    x = 4,043,214.54/2,278.74
  6. Step 6: Final answer
    x = 1,774.32

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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.