Home / 1,241.80-1,710.98-926.94

Finding the Fourth Proportional to 1,241.80, 1,710.98 and 926.94

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Solution

The fourth proportional to 1,241.80, 1,710.98 and 926.94 is: 1,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.80 : 1,710.98 = 926.94 : x
  2. Step 2: Convert to fraction form
    1,241.80/1,710.98 = 926.94/x
  3. Step 3: Cross multiply
    1,241.80x = 1,710.98 × 926.94
  4. Step 4: Simplify right side
    1,241.80x = 1,585,975.80
  5. Step 5: Solve for x
    x = 1,585,975.80/1,241.80
  6. Step 6: Final answer
    x = 1,277.16

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1.5x scale

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.