Home / 1,943.52-2,682.08-1,157.60

Finding the Fourth Proportional to 1,943.52, 2,682.08 and 1,157.60

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Solution

The fourth proportional to 1,943.52, 2,682.08 and 1,157.60 is: 1,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.52 : 2,682.08 = 1,157.60 : x
  2. Step 2: Convert to fraction form
    1,943.52/2,682.08 = 1,157.60/x
  3. Step 3: Cross multiply
    1,943.52x = 2,682.08 × 1,157.60
  4. Step 4: Simplify right side
    1,943.52x = 3,104,756.61
  5. Step 5: Solve for x
    x = 3,104,756.61/1,943.52
  6. Step 6: Final answer
    x = 1,597.49

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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.