Home / 1,962.75-2,706.20-1,541.79

Finding the Fourth Proportional to 1,962.75, 2,706.20 and 1,541.79

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Solution

The fourth proportional to 1,962.75, 2,706.20 and 1,541.79 is: 2,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.75 : 2,706.20 = 1,541.79 : x
  2. Step 2: Convert to fraction form
    1,962.75/2,706.20 = 1,541.79/x
  3. Step 3: Cross multiply
    1,962.75x = 2,706.20 × 1,541.79
  4. Step 4: Simplify right side
    1,962.75x = 4,172,384.39
  5. Step 5: Solve for x
    x = 4,172,384.39/1,962.75
  6. Step 6: Final answer
    x = 2,125.78

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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.