Home / 3,459.40-4,773.96-1,887.50

Finding the Fourth Proportional to 3,459.40, 4,773.96 and 1,887.50

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Solution

The fourth proportional to 3,459.40, 4,773.96 and 1,887.50 is: 2,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.40 : 4,773.96 = 1,887.50 : x
  2. Step 2: Convert to fraction form
    3,459.40/4,773.96 = 1,887.50/x
  3. Step 3: Cross multiply
    3,459.40x = 4,773.96 × 1,887.50
  4. Step 4: Simplify right side
    3,459.40x = 9,010,825.63
  5. Step 5: Solve for x
    x = 9,010,825.63/3,459.40
  6. Step 6: Final answer
    x = 2,604.74

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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.