Home / 1,941.26-2,911.88-1,507.50

Finding the Fourth Proportional to 1,941.26, 2,911.88 and 1,507.50

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Solution

The fourth proportional to 1,941.26, 2,911.88 and 1,507.50 is: 2,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.26 : 2,911.88 = 1,507.50 : x
  2. Step 2: Convert to fraction form
    1,941.26/2,911.88 = 1,507.50/x
  3. Step 3: Cross multiply
    1,941.26x = 2,911.88 × 1,507.50
  4. Step 4: Simplify right side
    1,941.26x = 4,389,662.87
  5. Step 5: Solve for x
    x = 4,389,662.87/1,941.26
  6. Step 6: Final answer
    x = 2,261.25

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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.