Home / 3,411.42-4,687.35-2,711.58

Finding the Fourth Proportional to 3,411.42, 4,687.35 and 2,711.58

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Solution

The fourth proportional to 3,411.42, 4,687.35 and 2,711.58 is: 3,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.42 : 4,687.35 = 2,711.58 : x
  2. Step 2: Convert to fraction form
    3,411.42/4,687.35 = 2,711.58/x
  3. Step 3: Cross multiply
    3,411.42x = 4,687.35 × 2,711.58
  4. Step 4: Simplify right side
    3,411.42x = 12,710,124.51
  5. Step 5: Solve for x
    x = 12,710,124.51/3,411.42
  6. Step 6: Final answer
    x = 3,725.76

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.