Home / 2,743.05-3,784.68-1,564.11

Finding the Fourth Proportional to 2,743.05, 3,784.68 and 1,564.11

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Solution

The fourth proportional to 2,743.05, 3,784.68 and 1,564.11 is: 2,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.05 : 3,784.68 = 1,564.11 : x
  2. Step 2: Convert to fraction form
    2,743.05/3,784.68 = 1,564.11/x
  3. Step 3: Cross multiply
    2,743.05x = 3,784.68 × 1,564.11
  4. Step 4: Simplify right side
    2,743.05x = 5,919,655.83
  5. Step 5: Solve for x
    x = 5,919,655.83/2,743.05
  6. Step 6: Final answer
    x = 2,158.06

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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.