Home / 2,056.49-2,838.34-1,217.16

Finding the Fourth Proportional to 2,056.49, 2,838.34 and 1,217.16

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Solution

The fourth proportional to 2,056.49, 2,838.34 and 1,217.16 is: 1,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.49 : 2,838.34 = 1,217.16 : x
  2. Step 2: Convert to fraction form
    2,056.49/2,838.34 = 1,217.16/x
  3. Step 3: Cross multiply
    2,056.49x = 2,838.34 × 1,217.16
  4. Step 4: Simplify right side
    2,056.49x = 3,454,715.44
  5. Step 5: Solve for x
    x = 3,454,715.44/2,056.49
  6. Step 6: Final answer
    x = 1,679.91

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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.