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Finding the Fourth Proportional to 2,296.96, 3,445.80 and 1,065.64

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Solution

The fourth proportional to 2,296.96, 3,445.80 and 1,065.64 is: 1,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.96 : 3,445.80 = 1,065.64 : x
  2. Step 2: Convert to fraction form
    2,296.96/3,445.80 = 1,065.64/x
  3. Step 3: Cross multiply
    2,296.96x = 3,445.80 × 1,065.64
  4. Step 4: Simplify right side
    2,296.96x = 3,671,982.31
  5. Step 5: Solve for x
    x = 3,671,982.31/2,296.96
  6. Step 6: Final answer
    x = 1,598.63

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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.