Home / 3,056.74-4,218.27-1,730.42

Finding the Fourth Proportional to 3,056.74, 4,218.27 and 1,730.42

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Solution

The fourth proportional to 3,056.74, 4,218.27 and 1,730.42 is: 2,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.74 : 4,218.27 = 1,730.42 : x
  2. Step 2: Convert to fraction form
    3,056.74/4,218.27 = 1,730.42/x
  3. Step 3: Cross multiply
    3,056.74x = 4,218.27 × 1,730.42
  4. Step 4: Simplify right side
    3,056.74x = 7,299,378.77
  5. Step 5: Solve for x
    x = 7,299,378.77/3,056.74
  6. Step 6: Final answer
    x = 2,387.96

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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.