Home / 2,861.64-4,293.60-1,400.76

Finding the Fourth Proportional to 2,861.64, 4,293.60 and 1,400.76

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Solution

The fourth proportional to 2,861.64, 4,293.60 and 1,400.76 is: 2,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.64 : 4,293.60 = 1,400.76 : x
  2. Step 2: Convert to fraction form
    2,861.64/4,293.60 = 1,400.76/x
  3. Step 3: Cross multiply
    2,861.64x = 4,293.60 × 1,400.76
  4. Step 4: Simplify right side
    2,861.64x = 6,014,303.14
  5. Step 5: Solve for x
    x = 6,014,303.14/2,861.64
  6. Step 6: Final answer
    x = 2,101.70

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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.