Home / 1,454.22-2,178.09-964.98

Finding the Fourth Proportional to 1,454.22, 2,178.09 and 964.98

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Solution

The fourth proportional to 1,454.22, 2,178.09 and 964.98 is: 1,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.22 : 2,178.09 = 964.98 : x
  2. Step 2: Convert to fraction form
    1,454.22/2,178.09 = 964.98/x
  3. Step 3: Cross multiply
    1,454.22x = 2,178.09 × 964.98
  4. Step 4: Simplify right side
    1,454.22x = 2,101,813.29
  5. Step 5: Solve for x
    x = 2,101,813.29/1,454.22
  6. Step 6: Final answer
    x = 1,445.32

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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.