Home / 3,459.28-4,773.64-1,887.28

Finding the Fourth Proportional to 3,459.28, 4,773.64 and 1,887.28

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Solution

The fourth proportional to 3,459.28, 4,773.64 and 1,887.28 is: 2,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.28 : 4,773.64 = 1,887.28 : x
  2. Step 2: Convert to fraction form
    3,459.28/4,773.64 = 1,887.28/x
  3. Step 3: Cross multiply
    3,459.28x = 4,773.64 × 1,887.28
  4. Step 4: Simplify right side
    3,459.28x = 9,009,195.30
  5. Step 5: Solve for x
    x = 9,009,195.30/3,459.28
  6. Step 6: Final answer
    x = 2,604.36

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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.