Home / 1,966.56-2,947.08-1,553.88

Finding the Fourth Proportional to 1,966.56, 2,947.08 and 1,553.88

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Solution

The fourth proportional to 1,966.56, 2,947.08 and 1,553.88 is: 2,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.56 : 2,947.08 = 1,553.88 : x
  2. Step 2: Convert to fraction form
    1,966.56/2,947.08 = 1,553.88/x
  3. Step 3: Cross multiply
    1,966.56x = 2,947.08 × 1,553.88
  4. Step 4: Simplify right side
    1,966.56x = 4,579,408.67
  5. Step 5: Solve for x
    x = 4,579,408.67/1,966.56
  6. Step 6: Final answer
    x = 2,328.64

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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.