Home / 3,459.20-4,773.72-1,887.32

Finding the Fourth Proportional to 3,459.20, 4,773.72 and 1,887.32

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Solution

The fourth proportional to 3,459.20, 4,773.72 and 1,887.32 is: 2,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.20 : 4,773.72 = 1,887.32 : x
  2. Step 2: Convert to fraction form
    3,459.20/4,773.72 = 1,887.32/x
  3. Step 3: Cross multiply
    3,459.20x = 4,773.72 × 1,887.32
  4. Step 4: Simplify right side
    3,459.20x = 9,009,513.36
  5. Step 5: Solve for x
    x = 9,009,513.36/3,459.20
  6. Step 6: Final answer
    x = 2,604.51

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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.