Home / 3,284.70-4,945.56-2,897.12

Finding the Fourth Proportional to 3,284.70, 4,945.56 and 2,897.12

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Solution

The fourth proportional to 3,284.70, 4,945.56 and 2,897.12 is: 4,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.70 : 4,945.56 = 2,897.12 : x
  2. Step 2: Convert to fraction form
    3,284.70/4,945.56 = 2,897.12/x
  3. Step 3: Cross multiply
    3,284.70x = 4,945.56 × 2,897.12
  4. Step 4: Simplify right side
    3,284.70x = 14,327,866.92
  5. Step 5: Solve for x
    x = 14,327,866.92/3,284.70
  6. Step 6: Final answer
    x = 4,362.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.