Home / 1,672.03-2,303.35-1,173.70

Finding the Fourth Proportional to 1,672.03, 2,303.35 and 1,173.70

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Solution

The fourth proportional to 1,672.03, 2,303.35 and 1,173.70 is: 1,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.03 : 2,303.35 = 1,173.70 : x
  2. Step 2: Convert to fraction form
    1,672.03/2,303.35 = 1,173.70/x
  3. Step 3: Cross multiply
    1,672.03x = 2,303.35 × 1,173.70
  4. Step 4: Simplify right side
    1,672.03x = 2,703,441.90
  5. Step 5: Solve for x
    x = 2,703,441.90/1,672.03
  6. Step 6: Final answer
    x = 1,616.86

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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.