Home / 2,484.10-3,720.28-2,157.72

Finding the Fourth Proportional to 2,484.10, 3,720.28 and 2,157.72

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Solution

The fourth proportional to 2,484.10, 3,720.28 and 2,157.72 is: 3,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.10 : 3,720.28 = 2,157.72 : x
  2. Step 2: Convert to fraction form
    2,484.10/3,720.28 = 2,157.72/x
  3. Step 3: Cross multiply
    2,484.10x = 3,720.28 × 2,157.72
  4. Step 4: Simplify right side
    2,484.10x = 8,027,322.56
  5. Step 5: Solve for x
    x = 8,027,322.56/2,484.10
  6. Step 6: Final answer
    x = 3,231.48

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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.