Home / 2,125.48-3,189.18-1,015.24

Finding the Fourth Proportional to 2,125.48, 3,189.18 and 1,015.24

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Solution

The fourth proportional to 2,125.48, 3,189.18 and 1,015.24 is: 1,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.48 : 3,189.18 = 1,015.24 : x
  2. Step 2: Convert to fraction form
    2,125.48/3,189.18 = 1,015.24/x
  3. Step 3: Cross multiply
    2,125.48x = 3,189.18 × 1,015.24
  4. Step 4: Simplify right side
    2,125.48x = 3,237,783.10
  5. Step 5: Solve for x
    x = 3,237,783.10/2,125.48
  6. Step 6: Final answer
    x = 1,523.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.