Home / 3,056.07-4,217.36-1,729.79

Finding the Fourth Proportional to 3,056.07, 4,217.36 and 1,729.79

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Solution

The fourth proportional to 3,056.07, 4,217.36 and 1,729.79 is: 2,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.07 : 4,217.36 = 1,729.79 : x
  2. Step 2: Convert to fraction form
    3,056.07/4,217.36 = 1,729.79/x
  3. Step 3: Cross multiply
    3,056.07x = 4,217.36 × 1,729.79
  4. Step 4: Simplify right side
    3,056.07x = 7,295,117.42
  5. Step 5: Solve for x
    x = 7,295,117.42/3,056.07
  6. Step 6: Final answer
    x = 2,387.09

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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.