Home / 3,047.70-4,564.35-1,881.30

Finding the Fourth Proportional to 3,047.70, 4,564.35 and 1,881.30

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Solution

The fourth proportional to 3,047.70, 4,564.35 and 1,881.30 is: 2,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.70 : 4,564.35 = 1,881.30 : x
  2. Step 2: Convert to fraction form
    3,047.70/4,564.35 = 1,881.30/x
  3. Step 3: Cross multiply
    3,047.70x = 4,564.35 × 1,881.30
  4. Step 4: Simplify right side
    3,047.70x = 8,586,911.66
  5. Step 5: Solve for x
    x = 8,586,911.66/3,047.70
  6. Step 6: Final answer
    x = 2,817.51

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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.