Home / 2,856.32-3,941.40-1,676.96

Finding the Fourth Proportional to 2,856.32, 3,941.40 and 1,676.96

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Solution

The fourth proportional to 2,856.32, 3,941.40 and 1,676.96 is: 2,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.32 : 3,941.40 = 1,676.96 : x
  2. Step 2: Convert to fraction form
    2,856.32/3,941.40 = 1,676.96/x
  3. Step 3: Cross multiply
    2,856.32x = 3,941.40 × 1,676.96
  4. Step 4: Simplify right side
    2,856.32x = 6,609,570.14
  5. Step 5: Solve for x
    x = 6,609,570.14/2,856.32
  6. Step 6: Final answer
    x = 2,314.02

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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.