Home / 2,712.89-3,743.10-1,533.93

Finding the Fourth Proportional to 2,712.89, 3,743.10 and 1,533.93

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Solution

The fourth proportional to 2,712.89, 3,743.10 and 1,533.93 is: 2,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.89 : 3,743.10 = 1,533.93 : x
  2. Step 2: Convert to fraction form
    2,712.89/3,743.10 = 1,533.93/x
  3. Step 3: Cross multiply
    2,712.89x = 3,743.10 × 1,533.93
  4. Step 4: Simplify right side
    2,712.89x = 5,741,653.38
  5. Step 5: Solve for x
    x = 5,741,653.38/2,712.89
  6. Step 6: Final answer
    x = 2,116.44

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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.