Home / 2,173.22-2,999.03-1,178.47

Finding the Fourth Proportional to 2,173.22, 2,999.03 and 1,178.47

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Solution

The fourth proportional to 2,173.22, 2,999.03 and 1,178.47 is: 1,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.22 : 2,999.03 = 1,178.47 : x
  2. Step 2: Convert to fraction form
    2,173.22/2,999.03 = 1,178.47/x
  3. Step 3: Cross multiply
    2,173.22x = 2,999.03 × 1,178.47
  4. Step 4: Simplify right side
    2,173.22x = 3,534,264.74
  5. Step 5: Solve for x
    x = 3,534,264.74/2,173.22
  6. Step 6: Final answer
    x = 1,626.28

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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.