Home / 1,919.14-2,646.60-1,775.96

Finding the Fourth Proportional to 1,919.14, 2,646.60 and 1,775.96

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Solution

The fourth proportional to 1,919.14, 2,646.60 and 1,775.96 is: 2,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.14 : 2,646.60 = 1,775.96 : x
  2. Step 2: Convert to fraction form
    1,919.14/2,646.60 = 1,775.96/x
  3. Step 3: Cross multiply
    1,919.14x = 2,646.60 × 1,775.96
  4. Step 4: Simplify right side
    1,919.14x = 4,700,255.74
  5. Step 5: Solve for x
    x = 4,700,255.74/1,919.14
  6. Step 6: Final answer
    x = 2,449.15

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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.