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Finding the Fourth Proportional to 2,303.64, 3,454.39 and 743.35

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Solution

The fourth proportional to 2,303.64, 3,454.39 and 743.35 is: 1,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.64 : 3,454.39 = 743.35 : x
  2. Step 2: Convert to fraction form
    2,303.64/3,454.39 = 743.35/x
  3. Step 3: Cross multiply
    2,303.64x = 3,454.39 × 743.35
  4. Step 4: Simplify right side
    2,303.64x = 2,567,820.81
  5. Step 5: Solve for x
    x = 2,567,820.81/2,303.64
  6. Step 6: Final answer
    x = 1,114.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.