Home / 2,697.03-3,722.55-2,129.52

Finding the Fourth Proportional to 2,697.03, 3,722.55 and 2,129.52

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Solution

The fourth proportional to 2,697.03, 3,722.55 and 2,129.52 is: 2,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.03 : 3,722.55 = 2,129.52 : x
  2. Step 2: Convert to fraction form
    2,697.03/3,722.55 = 2,129.52/x
  3. Step 3: Cross multiply
    2,697.03x = 3,722.55 × 2,129.52
  4. Step 4: Simplify right side
    2,697.03x = 7,927,244.68
  5. Step 5: Solve for x
    x = 7,927,244.68/2,697.03
  6. Step 6: Final answer
    x = 2,939.25

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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.