Home / 1,941.83-2,679.74-1,155.91

Finding the Fourth Proportional to 1,941.83, 2,679.74 and 1,155.91

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Solution

The fourth proportional to 1,941.83, 2,679.74 and 1,155.91 is: 1,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.83 : 2,679.74 = 1,155.91 : x
  2. Step 2: Convert to fraction form
    1,941.83/2,679.74 = 1,155.91/x
  3. Step 3: Cross multiply
    1,941.83x = 2,679.74 × 1,155.91
  4. Step 4: Simplify right side
    1,941.83x = 3,097,530.12
  5. Step 5: Solve for x
    x = 3,097,530.12/1,941.83
  6. Step 6: Final answer
    x = 1,595.16

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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.