Home / 2,357.09-3,255.15-1,941.56

Finding the Fourth Proportional to 2,357.09, 3,255.15 and 1,941.56

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Solution

The fourth proportional to 2,357.09, 3,255.15 and 1,941.56 is: 2,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.09 : 3,255.15 = 1,941.56 : x
  2. Step 2: Convert to fraction form
    2,357.09/3,255.15 = 1,941.56/x
  3. Step 3: Cross multiply
    2,357.09x = 3,255.15 × 1,941.56
  4. Step 4: Simplify right side
    2,357.09x = 6,320,069.03
  5. Step 5: Solve for x
    x = 6,320,069.03/2,357.09
  6. Step 6: Final answer
    x = 2,681.30

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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.