Home / 2,743.47-3,785.90-1,564.92

Finding the Fourth Proportional to 2,743.47, 3,785.90 and 1,564.92

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Solution

The fourth proportional to 2,743.47, 3,785.90 and 1,564.92 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.47 : 3,785.90 = 1,564.92 : x
  2. Step 2: Convert to fraction form
    2,743.47/3,785.90 = 1,564.92/x
  3. Step 3: Cross multiply
    2,743.47x = 3,785.90 × 1,564.92
  4. Step 4: Simplify right side
    2,743.47x = 5,924,622.80
  5. Step 5: Solve for x
    x = 5,924,622.80/2,743.47
  6. Step 6: Final answer
    x = 2,159.54

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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.