Home / 2,173.03-2,998.70-1,178.29

Finding the Fourth Proportional to 2,173.03, 2,998.70 and 1,178.29

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Solution

The fourth proportional to 2,173.03, 2,998.70 and 1,178.29 is: 1,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.03 : 2,998.70 = 1,178.29 : x
  2. Step 2: Convert to fraction form
    2,173.03/2,998.70 = 1,178.29/x
  3. Step 3: Cross multiply
    2,173.03x = 2,998.70 × 1,178.29
  4. Step 4: Simplify right side
    2,173.03x = 3,533,317.34
  5. Step 5: Solve for x
    x = 3,533,317.34/2,173.03
  6. Step 6: Final answer
    x = 1,625.99

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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.