Home / 1,941.90-2,679.84-1,156.02

Finding the Fourth Proportional to 1,941.90, 2,679.84 and 1,156.02

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Solution

The fourth proportional to 1,941.90, 2,679.84 and 1,156.02 is: 1,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.90 : 2,679.84 = 1,156.02 : x
  2. Step 2: Convert to fraction form
    1,941.90/2,679.84 = 1,156.02/x
  3. Step 3: Cross multiply
    1,941.90x = 2,679.84 × 1,156.02
  4. Step 4: Simplify right side
    1,941.90x = 3,097,948.64
  5. Step 5: Solve for x
    x = 3,097,948.64/1,941.90
  6. Step 6: Final answer
    x = 1,595.32

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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.