Home / 2,924.90-4,385.67-977.06

Finding the Fourth Proportional to 2,924.90, 4,385.67 and 977.06

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Solution

The fourth proportional to 2,924.90, 4,385.67 and 977.06 is: 1,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.90 : 4,385.67 = 977.06 : x
  2. Step 2: Convert to fraction form
    2,924.90/4,385.67 = 977.06/x
  3. Step 3: Cross multiply
    2,924.90x = 4,385.67 × 977.06
  4. Step 4: Simplify right side
    2,924.90x = 4,285,062.73
  5. Step 5: Solve for x
    x = 4,285,062.73/2,924.90
  6. Step 6: Final answer
    x = 1,465.03

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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.