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Finding the Fourth Proportional to 2,322.43, 3,483.27 and 678.58

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Solution

The fourth proportional to 2,322.43, 3,483.27 and 678.58 is: 1,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.43 : 3,483.27 = 678.58 : x
  2. Step 2: Convert to fraction form
    2,322.43/3,483.27 = 678.58/x
  3. Step 3: Cross multiply
    2,322.43x = 3,483.27 × 678.58
  4. Step 4: Simplify right side
    2,322.43x = 2,363,677.36
  5. Step 5: Solve for x
    x = 2,363,677.36/2,322.43
  6. Step 6: Final answer
    x = 1,017.76

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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.