Home / 3,743.56-5,165.40-2,345.50

Finding the Fourth Proportional to 3,743.56, 5,165.40 and 2,345.50

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Solution

The fourth proportional to 3,743.56, 5,165.40 and 2,345.50 is: 3,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.56 : 5,165.40 = 2,345.50 : x
  2. Step 2: Convert to fraction form
    3,743.56/5,165.40 = 2,345.50/x
  3. Step 3: Cross multiply
    3,743.56x = 5,165.40 × 2,345.50
  4. Step 4: Simplify right side
    3,743.56x = 12,115,445.70
  5. Step 5: Solve for x
    x = 12,115,445.70/3,743.56
  6. Step 6: Final answer
    x = 3,236.34

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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.