Home / 3,554.56-4,905.36-2,156.56

Finding the Fourth Proportional to 3,554.56, 4,905.36 and 2,156.56

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Solution

The fourth proportional to 3,554.56, 4,905.36 and 2,156.56 is: 2,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.56 : 4,905.36 = 2,156.56 : x
  2. Step 2: Convert to fraction form
    3,554.56/4,905.36 = 2,156.56/x
  3. Step 3: Cross multiply
    3,554.56x = 4,905.36 × 2,156.56
  4. Step 4: Simplify right side
    3,554.56x = 10,578,703.16
  5. Step 5: Solve for x
    x = 10,578,703.16/3,554.56
  6. Step 6: Final answer
    x = 2,976.09

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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.