Home / 3,011.49-4,155.57-2,068.11

Finding the Fourth Proportional to 3,011.49, 4,155.57 and 2,068.11

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Solution

The fourth proportional to 3,011.49, 4,155.57 and 2,068.11 is: 2,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.49 : 4,155.57 = 2,068.11 : x
  2. Step 2: Convert to fraction form
    3,011.49/4,155.57 = 2,068.11/x
  3. Step 3: Cross multiply
    3,011.49x = 4,155.57 × 2,068.11
  4. Step 4: Simplify right side
    3,011.49x = 8,594,175.87
  5. Step 5: Solve for x
    x = 8,594,175.87/3,011.49
  6. Step 6: Final answer
    x = 2,853.80

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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.