Home / 2,505.13-3,757.69-1,856.32

Finding the Fourth Proportional to 2,505.13, 3,757.69 and 1,856.32

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Solution

The fourth proportional to 2,505.13, 3,757.69 and 1,856.32 is: 2,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.13 : 3,757.69 = 1,856.32 : x
  2. Step 2: Convert to fraction form
    2,505.13/3,757.69 = 1,856.32/x
  3. Step 3: Cross multiply
    2,505.13x = 3,757.69 × 1,856.32
  4. Step 4: Simplify right side
    2,505.13x = 6,975,468.03
  5. Step 5: Solve for x
    x = 6,975,468.03/2,505.13
  6. Step 6: Final answer
    x = 2,784.48

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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.