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Finding the Fourth Proportional to 2,393.43, 3,303.09 and 1,345.48

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Solution

The fourth proportional to 2,393.43, 3,303.09 and 1,345.48 is: 1,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.43 : 3,303.09 = 1,345.48 : x
  2. Step 2: Convert to fraction form
    2,393.43/3,303.09 = 1,345.48/x
  3. Step 3: Cross multiply
    2,393.43x = 3,303.09 × 1,345.48
  4. Step 4: Simplify right side
    2,393.43x = 4,444,241.53
  5. Step 5: Solve for x
    x = 4,444,241.53/2,393.43
  6. Step 6: Final answer
    x = 1,856.85

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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.