Home / 3,742.76-5,164.05-2,746.31

Finding the Fourth Proportional to 3,742.76, 5,164.05 and 2,746.31

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Solution

The fourth proportional to 3,742.76, 5,164.05 and 2,746.31 is: 3,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.76 : 5,164.05 = 2,746.31 : x
  2. Step 2: Convert to fraction form
    3,742.76/5,164.05 = 2,746.31/x
  3. Step 3: Cross multiply
    3,742.76x = 5,164.05 × 2,746.31
  4. Step 4: Simplify right side
    3,742.76x = 14,182,066.63
  5. Step 5: Solve for x
    x = 14,182,066.63/3,742.76
  6. Step 6: Final answer
    x = 3,789.20

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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.