Home / 1,729.42-2,594.64-741.70

Finding the Fourth Proportional to 1,729.42, 2,594.64 and 741.70

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Solution

The fourth proportional to 1,729.42, 2,594.64 and 741.70 is: 1,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.42 : 2,594.64 = 741.70 : x
  2. Step 2: Convert to fraction form
    1,729.42/2,594.64 = 741.70/x
  3. Step 3: Cross multiply
    1,729.42x = 2,594.64 × 741.70
  4. Step 4: Simplify right side
    1,729.42x = 1,924,444.49
  5. Step 5: Solve for x
    x = 1,924,444.49/1,729.42
  6. Step 6: Final answer
    x = 1,112.77

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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.