Home / 3,119.64-4,656.63-2,750.60

Finding the Fourth Proportional to 3,119.64, 4,656.63 and 2,750.60

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Solution

The fourth proportional to 3,119.64, 4,656.63 and 2,750.60 is: 4,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.64 : 4,656.63 = 2,750.60 : x
  2. Step 2: Convert to fraction form
    3,119.64/4,656.63 = 2,750.60/x
  3. Step 3: Cross multiply
    3,119.64x = 4,656.63 × 2,750.60
  4. Step 4: Simplify right side
    3,119.64x = 12,808,526.48
  5. Step 5: Solve for x
    x = 12,808,526.48/3,119.64
  6. Step 6: Final answer
    x = 4,105.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.