Home / 2,874.14-4,311.06-1,688.84

Finding the Fourth Proportional to 2,874.14, 4,311.06 and 1,688.84

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Solution

The fourth proportional to 2,874.14, 4,311.06 and 1,688.84 is: 2,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.14 : 4,311.06 = 1,688.84 : x
  2. Step 2: Convert to fraction form
    2,874.14/4,311.06 = 1,688.84/x
  3. Step 3: Cross multiply
    2,874.14x = 4,311.06 × 1,688.84
  4. Step 4: Simplify right side
    2,874.14x = 7,280,690.57
  5. Step 5: Solve for x
    x = 7,280,690.57/2,874.14
  6. Step 6: Final answer
    x = 2,533.17

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1.5x scale

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.