Home / 2,285.45-3,428.11-1,252.01

Finding the Fourth Proportional to 2,285.45, 3,428.11 and 1,252.01

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Solution

The fourth proportional to 2,285.45, 3,428.11 and 1,252.01 is: 1,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.45 : 3,428.11 = 1,252.01 : x
  2. Step 2: Convert to fraction form
    2,285.45/3,428.11 = 1,252.01/x
  3. Step 3: Cross multiply
    2,285.45x = 3,428.11 × 1,252.01
  4. Step 4: Simplify right side
    2,285.45x = 4,292,011.81
  5. Step 5: Solve for x
    x = 4,292,011.81/2,285.45
  6. Step 6: Final answer
    x = 1,877.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.