Home / 1,673.52-2,308.68-1,043.64

Finding the Fourth Proportional to 1,673.52, 2,308.68 and 1,043.64

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Solution

The fourth proportional to 1,673.52, 2,308.68 and 1,043.64 is: 1,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.52 : 2,308.68 = 1,043.64 : x
  2. Step 2: Convert to fraction form
    1,673.52/2,308.68 = 1,043.64/x
  3. Step 3: Cross multiply
    1,673.52x = 2,308.68 × 1,043.64
  4. Step 4: Simplify right side
    1,673.52x = 2,409,430.80
  5. Step 5: Solve for x
    x = 2,409,430.80/1,673.52
  6. Step 6: Final answer
    x = 1,439.74

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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.